MATERIAL SAFETY DATA SHEET
Prepared to U.S. OSHA, CMA, ANSI and Canadian WHMIS Standards
1. PRODUCT IDENTIFICATION
CHEMICAL NAME; CLASS: NATURAL GAS PIPELINE MIX WITH SULFUR SPECIES
CHEMICAL FAMILY: Hydrocarbons/Sulfur Species Gases /Carbon Dioxide/Nitrogen Gas Mixture
PRODUCT USE: Fuel
MANUFACTURER
MATHESON TRI-GAS, INC.
959 ROUTE 46 EAST
PARSIPPANY, NJ 07054-0624
USA
Phone: 973/257-1100
EMERGENCY PHONE: CHEMTREC (U.S. DOMESTIC): 1-800-424-9300
CHEMTREC INTERNATIONAL: 1-703-527-3887
CANUTEC (CANADA): 1-613-996-6666
2. COMPOSITION and INFORMATION ON INGREDIENTS
(10,000 ppm = 1%)
CHEMICAL CAS # Mole % EXPOSURE LIMITS IN AIR
NAME
ACGIH-TLV OSHA-STEL NIOSH-RELs NIOSH OTHER
TWA STEL TWA STEL TWA STEL IDLH
ppm ppm ppm ppm ppm ppm ppm ppm
Carbonyl 463-58-1 0.0- NE NE NE NE NE NE NE NE
Sulfide 0.002%
(0-20 pm)
Hydrogen 7783-06-4 0.0- 10 15 10 20 NE 10 100 DFG MAKs:
Sulfide 0.002% (vacated (ceiling) (ceiling) TWA = 10
NIC = 1 NIC = 5
(0-20 pm) 1989 10 min. 10 min. PEAK =2MAK 15
PEL) peak, min. average
once per value, 1-hr
8-hr shift interval
Carcinogen: EPA-
15
I
(vacated
1989
PEL)
Dimethyl 624-92-0 0.0- NIC = NE NE NE NE NE NE NE
Disulfide 0.002% 0.5
(0-20 pm)
2-Methyl-2- 75-66-1 0.0- NE NE NE NE NE NE NE NE
Propanethiol 0.002%
(0-20 pm)
NE = Not Established NIC = Notice of Intended Change
NOTE: All WHMIS required information is included. It is located in appropriate sections based on the ANSI Z400.1-1998 format. This product has been classified in
accordance with the hazard criteria of the CPR and the MSDS contains all the information required by the CPR.
See Section 16 for Definitions of Terms Used.
(Table Continued on Following Page)
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 1 OF 15 MATH0095
MATHESON TRI-GAS
2. COMPOSITION and INFORMATION ON INGREDIENTS (Continued)
(10,000 ppm = 1%)
CHEMICAL CAS # Mole % EXPOSURE LIMITS IN AIR
NAME
ACGIH-TLV OSHA-STEL NIOSH-RELs NIOSH OTHER
TWA STEL TWA STEL TWA STEL IDLH
ppm ppm ppm ppm ppm ppm ppm ppm
Tetrahydro- 110-01-0 0.0- NE NE NE NE NE NE NE DFG MAKs:
thiopene 0.002% TWA = 50
(0-20 pm) PEAK = 1MAK 15 min.
average value, 1-hr
interval
DFG MAK Pregnancy
Risk Classification: D
n-Hexane 110-54-3 0.0- 50 NE 500; 50 NE 50 NE 2100 DFG MAKs:
0.01% (skin) (vacated (based TWA = 50 (skin)
1989 on 10% PEAK =8MAK 15 min.
PEL) of LEL) average value, 1-hr
interval
DFG MAK Pregnancy
Risk Classification: C
Isopentane 78-78-4 0.0- 600 NE 1000 NE 120 610, 15 NE DFG MAKs:
0.01% min. TWA = 1000
(skin) PEAK =2MAK 15 min.
average value, 1-hr
interval
DFG MAK Pregnancy
Risk Classification: D
n-Pentane 109-66-0 0.0- 600 NE 100 750 120 610, 15 1500 DFG MAKs:
0.01% (vacated min. (based TWA = 1000
1989 (skin) on 10% PEAK =2MAK 15 min.
PEL) of LEL average value, 1-hr
interval
DFG MAK Pregnancy
Risk Classification: D
n-Butane 106-97-8 0.0-0.2% 1000 NE 800 NE 800 NE NE DFG MAKs:
(vacated TWA = 1000
1989 PEAK = 4MAK 15 min.,
PEL) momentary value, 1-hr
Interval
Isobutane 75-28-5 0.0-0.2% NE NE 800 NE 800 NE NE DFG MAKs:
(vacated TWA = 1000
1989 PEAK = 4MAK 15 min.,
PEL) momentary value, 1-hr
value
n-Propane 74-98-6 0.0- 1000 NE 1000 NE 1000 NE 2100 DFG MAKs:
0.13% (based TWA = 1000
on 10% PEAK = 4MAK 60 min.,
of LEL) momentary value
Carbon 124-38-9 0.0-0.9% 5000 30,000 30,000 5000 30,000 40,000
5000 DFG MAKs:
Dioxide (vacated TWA = 5000
10,000
1989 PEAK = 4MAK 60 min.,
(vacated
PEL) momentary value
1989
PEL)
Ethane 74-84-0 0.0-2.0% 1000 NE NE NE NE NE NE NE
Methane 74-82-8 15.0- 1000 NE NE NE NE NE NE NE
95.0%
Nitrogen 7727-37-9 Balance There are no specific exposure limits for Nitrogen. Nitrogen is a simple asphyxiant (SA).Oxygen levels should
be maintained above 19.5%.
NE = Not Established.
NOTE: All WHMIS required information is included. It is located in appropriate sections based on the ANSI Z400.1-1998 format. This product has
been classified in accordance with the hazard criteria of the CPR and the MSDS contains all the information required by the CPR.
See Section 16 for Definitions of Terms Used.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 2 OF 15 MATH0095
MATHESON TRI-GAS
3. HAZARD IDENTIFICATION
EMERGENCY OVERVIEW: Product Description: This is a colorless, flammable gas mixture, with a
distinct rotten egg? odor, due to the presence of Hydrogen Sulfide and the other sulfur species. Health
Hazards: This gas mixture can cause significant, adverse health effects at relatively low concentrations,
due to the presence of Hydrogen Sulfide. Overexposure can cause dizziness, headache, nausea,
respiratory arrest, coma, collapse or unconsciousness. Additionally, releases of this gas mixture may
produce oxygen-deficient atmospheres. Individuals in such atmospheres may be asphyxiated. This gas
mixture may also cause central nervous system effects such as drowsiness and dizziness and may be slightly
irritating to the mucous membranes. Flammability Hazards: This gas mixture presents a serious fire hazard
if accidentally released. Releases of this gas mixture will spread long distances; ignition or flash-back from a
distance is possible. Flame or high temperature impinging on a localized area of the cylinder can cause
cylinder to rupture violently or explosively. Environmental Hazards: Release to the environment should be
avoided If possible. Emergency Response Considerations: Provide adequate fire protection during
emergency response.
SYMPTOMS OF OVER-EXPOSURE BY ROUTE OF EXPOSURE: The most significant route of over-exposure
for this product is by inhalation.
INHALATION: One of the components of this gas mixture, Hydrogen Sulfide, is toxic and can cause
adverse effects at the concentrations present in this gas mixture. Inhalation of Hydrogen Sulfide can
cause dizziness, headache, nausea, respiratory arrest, coma, or unconsciousness. Exposure to
Hydrogen Sulfide for more than 30 minutes at concentrations of greater than 600 ppm has been fatal.
Continuous inhalation of low concentrations may cause olfactory fatigue, so that the odor is no longer an
effective warning of the presence of Hydrogen Sulfide. A summary of exposure concentrations and
observed effects are as follows:
CONCENTRATION EXPOSURE SYMPTOM
of HYDROGEN SULFIDE
0.3-30 ppm: Odor is obvious and unpleasant.
50 ppm: Eye irritation. Dryness and irritation of nose, throat.
Slightly higher than 50 ppm: Irritation of the respiratory system.
100-150 ppm: Temporary loss of smell.
200-250 ppm: Headache, vomiting, nausea. Prolonged exposure may lead to lung damage.
Exposures of 4-8 hours can be fatal.
300-500 ppm: Swifter onset of symptoms. Death occurs in 1-4 hours.
500 ppm: Headache, excitement, staggering, stomach after brief exposure. Death
occurs from 0.5 - 1 hour.
> 600 ppm: Rapid onset of unconsciousness, coma, death.
> 1000 ppm: Immediate respiratory arrest.
Severe exposures to Hydrogen Sulfide which do not result in death may cause long-term symptoms such as
memory loss, paralysis of facial muscles, or nerve tissue damage.
High concentrations of this gas can cause an oxygen-deficient environment. Individuals breathing such an
atmosphere may experience symptoms which include headaches, ringing in ears, dizziness, drowsiness,
unconsciousness, nausea, vomiting, and depression of all the senses. The skin of a victim may have a
blue color. Under some circumstances of over-exposure, death may occur, due to the displacement of
oxygen. The following effects associated with various levels of oxygen given on below.
OXYGEN OBSERVED EFFECT
CONCENTRATION
12-16% Oxygen: Breathing and pulse rate increase, muscular coordination slightly disturbed.
10-14% Oxygen: Emotional upset, abnormal fatigue, disturbed respiration.
6-10% Oxygen: Nausea, vomiting, collapse, or loss of consciousness.
Below 6%: Convulsive movements, possible respiratory collapse, and death.
It should be noted that before adverse health effects or suffocation could occur, the lower flammability
limits of the components of this gas mixture in air may be exceeded, possibly causing an explosive
atmosphere as well as an oxygen-deficient environment.
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MATHESON TRI-GAS
3. HAZARD IDENTIFICATION (Continued)
INHALATION (continued): Inhalation of high concentrations of this gas mixture may cause adverse
effects on the central nervous system. Symptoms may include headaches, nausea, dizziness,
drowsiness, confusion, and unconsciousness. In addition, due to the presence of the pentanes in this
gas mixture, inhalation may cause anesthetic effects. Pentane isomers can cause sensitization of the
heart to epinephrine. Repeated or prolonged overexposures to Pentane isomers, especially at high
concentrations, can cause cardiac arrest due to sensitization of the heart to adrenaline and nor-
adrenaline and can cause liver damage.
CONTACT WITH SKIN or EYES: Due to the presence of Hydrogen Sulfide, this gas mixture may be
irritating to the skin. Inflammation and irritation of the eyes can occur at very low airborne concentrations
(less than 10 ppm Hydrogen Sulfide). Exposure over several hours may result in gas eyes? or sore
eyes? with symptoms of scratchiness, irritation, tearing and burning. Above 50 ppm, there is an intense
tearing, blurring of vision, and pain when looking at light. Exposed individuals may see rings around
bright lights. Most symptoms disappear when exposure ceases; however, in serious cases, the eye can
be permanently damaged. Due to the presence of the Pentane, Isopentane and Hexane components,
prolonged skin exposure may cause defatting of the skin and dermatitis. Symptoms are dry, red,
cracked skin. In addition, contact with rapidly expanding gases (which are released under high pressure)
may cause frostbite.
SKIN ABSORPTION: The pentane isomers in this gas mixture can be absorbed via intact skin. If a large
enough area of the skin is affected, symptoms as described under Inhalation? may occur.
OTHER HEALTH EFFECTS: Chronic overexposures to this gas mixture may cause damage to the nerves
in hands and feet (peripheral neuropathy) due to the presence of the Pentane Isomers and Hexane.
Abnormal color perception and pigment changes in the eyes have been reported among persons
exposed to 420 -1300 ppm of Hexane for five years. Based on animal tests, the Ethane and Propane
components of this gas mixture may cause weak cardiac sensitization. Chronic exposure to oxygen-
deficient atmospheres (below 18% oxygen in air) may affect the heart and nervous system.
HEALTH EFFECTS OR RISKS FROM EXPOSURE: Over-exposure to this gas mixture may cause the
following health effects:
ACUTE: Due to the presence of Hydrogen Sulfide, inhalation of relatively low concentrations of this gas
mixture can cause dizziness, headache, and nausea. Exposure to higher concentrations of this gas
mixture can result in respiratory arrest, coma, and may be fatal due to the toxicity of Hydrogen Sulfide
and oxygen deficiency. Continuous inhalation of low concentrations may cause olfactory fatigue, so that
the odor of Hydrogen Sulfide is no longer an effective warning of over-exposure to this gas mixture.
Additionally this gas mixture may cause skin and eye irritation. This gas mixture can also produce
adverse health effects such as adverse central nervous system effects, or oxygen deficiency. Severe
inhalation overexposures can be fatal. This gas mixture can be irritating to the eyes.
CHRONIC: Chronic exposure to this gas mixture may cause damage to the peripheral nervous system.
Due to the presence of Hydrogen Sulfide, severe exposures which do not result in death may cause
long-term symptoms such as memory loss, paralysis of facial muscles, or nerve tissue damage. Refer to
Section 11 (Toxicological Information) of this MSDS for further information.
TARGET ORGANS: ACUTE: Respiratory system, skin, eyes, central nervous system. CHRONIC:
Cardiovascular system, skin peripheral nervous system.
HMIS RATING: HEALTH HAZARD = 2* FLAMMABILITY HAZARD = 4 PHYSICAL HAZARD = 0
Hazard Scale: 0 = Minimal 1 = Slight 2 = Moderate 3 = Serious 4 = Severe * Chronic
4. FIRST-AID MEASURES
GENERAL INFORMATION: RESCUERS SHOULD NOT ATTEMPT TO RETRIEVE VICTIMS OF
EXPOSURE TO THIS GAS MIXTURE WITHOUT ADEQUATE PERSONAL PROTECTIVE EQUIPMENT.
At a minimum, Self-Contained Breathing Apparatus and Fire-Retardant clothing must be worn.
Adequate fire protection must be provided during rescue situations. Remove to fresh air, as quickly as
possible. Only trained personnel should administer supplemental oxygen and/or cardio-pulmonary
resuscitation, if necessary. Seek medical attention immediately.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
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MATHESON TRI-GAS
4. FIRST-AID MEASURES (Continued)
SKIN EXPOSURE: Rinse exposed skin for 15 minutes if any irritation adverse effects occur. If release of this
gas mixture has resulted in frostbite, warm affected area slowly. Seek immediate medical attention.
EYE EXPOSURE: If release of this gas mixture has affected the eyes, seek immediate medical attention.
MEDICAL CONDITIONS AGGRAVATED BY EXPOSURE: Pre-existing acute or chronic respiratory
conditions may be aggravated by overexposure to this gas mixture.
RECOMMENDATIONS TO PHYSICIANS: Administer oxygen, treat symptoms and eliminate exposure.
Administer oxygen and continue even after spontaneous breathing is established. If pulmonary edema
ensues, treat accordingly. In severe poisonings, treat with amyl nitrite and sodium nitrite as for cyanide
poisoning, but omit sodium thiosulfate injection. Use of antibiotics should be considered at the first sign of
pulmonary infection. Atropine sulfate may contribute some symptomatic relief. In event of eye
contamination, conjunctivitis may be relieved by instillation of 1 drop of olive oil and sometimes by 3 to 4
drops of epinephrine solution (1:1000) at frequent intervals (e.g. 5 minutes). Occasionally, local anesthetics
and hot or cold compresses are necessary to control pain.
5. FIRE-FIGHTING MEASURES
FLASH POINT: Not determined for mixture. The following are available for the main flammable components:
Butane: -60属C (-76属F) Isopentane: < -51属C (< -60属F)
NFPA RATING
Ethane: Flammable Gas Methane: Flammable Gas
Hexane: -2属C (-76属F) Pentane: < -40属C (< -40属F) FLAMMABILITY
Isobutane: Flammable Gas Propane: Flammable Gas
AUTOIGNITION TEMPERATURE: Not determined for mixture. The 4
following are available for the main flammable components:
0
2
Butane: 287属C (550属F) Isopentane: 420属C (788属F) HEALTH INSTABILITY
Ethane: 472属C (882属F) Methane: 537属C (999属F)
Hexane: 225属C (437属F) Pentane: 260属C (500属F)
Isobutane: 460属C (860属F) Propane: 450属C (842属F)
FLAMMABLE LIMITS (in air by volume, %): Not determined for OTHER
mixture. The following are available for the main flammable
components:
Lower (LEL) Upper (UEL) Hazard Scale: 0 = Minimal 1 = Slight 2 = Moderate
Butane: 1.9% 8.5% 3 = Serious 4 = Severe
Ethane: 3.0% 12.5%
Hexane: 1.1% 7.5%
Isobutane: 1.8% 8.4%
Isopentane: 1.4% 7.6%
Methane: 5.0% 15.0%
Pentane: 1.5% 7.8%
Propane: 2.1% 9.5%
FIRE EXTINGUISHING MATERIALS: Extinguish fires of this gas mixture by shutting-off the source of gas.
Use water spray to cool fire-exposed structures and equipment.
UNUSUAL FIRE AND EXPLOSION HAZARD: DANGER! This gas is extremely flammable and readily forms
explosive mixtures with air over a very wide range. If released into a confined space, an extreme fire hazard
exists.
EXPLOSION SENSITIVITY TO MECHANICAL IMPACT: Not sensitive.
EXPLOSION SENSITIVITY TO STATIC DISCHARGE: Static discharge may cause this gas mixture to ignite
explosively.
SPECIAL FIRE-FIGHTING PROCEDURES: Evacuate all personnel from danger area. Immediately cool
cylinders with water spray from maximum distance, taking care to NOT extinguish flames if source of gas
has not been stopped. If possible, stop the leak and flow of gas before extinguishing fire. If release is still
occurring after the fire has been extinguished, there is a possibility that explosive re-ignition may occur. In
event that fire is extinguished before the leak is stopped, attempt to increase ventilation to area to prevent
formation of explosive air/gas mixtures.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
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MATHESON TRI-GAS
5. FIRE-FIGHTING MEASURES
SPECIAL FIRE-FIGHTING PROCEDURES (continued): Incipient fire responders should wear eye protection.
Structural fire fighters must wear Self-Contained Breathing Apparatus and full protective equipment. When
cool, move cylinders from fire area if this can be done without risk to firefighters. Other information for pre-
planning can be found in the American Petroleum Institute Publications 2510 and 1510A, and the North
American Emergency Response Guidebook (Guide Number 115).
6. ACCIDENTAL RELEASE MEASURES
LEAK RESPONSE: Evacuate immediate area. Uncontrolled releases should be responded to by trained
personnel using pre-planned procedures. Eliminate any possible source of ignition and provide maximum
explosion-proof ventilation. Proper protective equipment, including fire protection, should be used in the
event of a significant release from a single cylinder. Use only non-sparking tools. Call CHEMTREC (1-800-
424-9300) for emergency assistance. Or if in Canada, call CANUTEC (613-996-6666).
Attempt to close the main source valve prior to entering the area. If this does not stop the release (or if it is not
possible to reach the valve), allow the gas to release in-place or remove it to a safe area and allow the gas
to be released there. Protect personnel attempting to shut-off with water spray. Monitor the surrounding
area for combustible gas levels and the level of Oxygen. The atmosphere must have not more than 10% of
the LEL of each component gas (see Section 5, Fire-Fighting Measures) and at least 19.5 percent Oxygen
before non-emergency personnel can be allowed in the area without Self-Contained Breathing Apparatus,
chemically-resistant clothing and fire protection.
7. HANDLING and USE
WORK PRACTICES AND HYGIENE PRACTICES
Do not eat or drink while handling chemicals.
Be aware of all potential exposure symptoms; exposures to a fatal oxygen-deficient atmosphere could occur
without any significant warning symptoms.
All work operations should be monitored in such a way that emergency personnel can be immediately
contacted in the event of a release.
Workers who handle this gas mixture should wear protective clothing, as listed in Section 8 (Exposure
Controls and Personal Protection).
If ventilation controls are not adequate to keep exposure limits of components below levels below those
listed in Section 2, Composition and Information on Ingredients and provide sufficient oxygen content,
proper respiratory protection equipment should be provided and workers using such equipment should
be carefully trained in its operation and limitations.
Precautions must always be taken to prevent suck-back of foreign materials into the cylinder by using a
check-valve, or vacuum break, since suck-back may cause dangerous pressure changes within the
cylinder.
STORAGE AND HANDLING PRACTICES:
Cylinders should be stored upright and be firmly secured to prevent falling or being knocked-over. Cylinders
can be stored in the open, but in such cases, should be protected against extremes of weather and from
the dampness of the ground to prevent rusting. Cylinders should be stored in dry, well-ventilated areas
away from sources of heat or ignition. Do not allow the area where cylinders are stored to exceed 52属C
(125属F).
Cylinders should be separated from oxygen cylinders, or other oxidizers, by a minimum distance of 20 ft., or
by a barrier of non-combustible material at least 5 ft. high, having a fire-resistance rating of at least 0.5
hours. Isolate from other incompatible chemicals (refer to Section 10, Stability and Reactivity). Storage
areas must meet National Electrical Codes for Class 1 Hazardous Areas. Post No Smoking or Open
Flames? signs in storage or use areas. Consider leak detection and alarm for storage and use areas.
Have appropriate extinguishing equipment in storage area (i.e. sprinkler system, portable fire
extinguishers).
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MATHESON TRI-GAS
7. HANDLING and USE (Continued)
SPECIAL PRECAUTIONS FOR HANDLING GAS CYLINDERS: Compressed gases can present significant
safety hazards. The following rules are applicable to work situations in which cylinders are being used.
Before Use: Move cylinders with a suitable hand-truck. Do not drag, slide or roll cylinders. Do not drop
cylinders or permit them to strike each other. Secure cylinders firmly. Leave the valve protection cap
(where provided) in-place until cylinder is ready for use.
During Use: Use designated CGA fittings and other support equipment. Do not use adapters. Do not use
oils or grease on gas-handling fittings or equipment. Immediately contact the supplier if there are any
difficulties associated with operating the cylinder valve. Never insert an object (e.g wrench, screwdriver,
pry bar, etc.) into valve cap openings. Doing so may damage the valve, causing a leak to occur. Use an
adjustable strap wrench to remove over-tight or rusted caps. Never strike an arc, on a compressed gas
cylinder or make a cylinder part of and electric circuit.
After Use: Close main cylinder valve. Replace valve protection cap. Close valve after each use and when
empty. Mark empty cylinders EMPTY?.
PROTECTIVE PRACTICES DURING MAINTENANCE OF CONTAMINATED EQUIPMENT: Refer to current
CGA Guidelines for information on protective practices during maintenance of contaminated equipment.
8. EXPOSURE CONTROLS - PERSONAL PROTECTION
VENTILATION AND ENGINEERING CONTROLS: Use with adequate, explosion-proof ventilation to ensure
compliance with exposure limits described in Section 2 (Composition and Information on Ingredients). Local
exhaust ventilation is preferred, because it prevents dispersion of this gas mixture into the work place by
eliminating it at its source. If appropriate, install automatic monitoring equipment to detect the level of
Oxygen and the presence of potentially explosive air-gas mixtures.
The following information on appropriate Personal Protective Equipment is provided to assist employers in complying with
OSHA regulations found in 29 CFR Subpart I (beginning at 1910.132) or equivalent standard of Canada. Please
reference applicable regulations and standards for relevant details.
RESPIRATORY PROTECTION: Maintain the Oxygen level above 19.5% in the workplace. If necessary, use
only respiratory protection authorized in the U.S. Federal OSHA Respiratory Protection Standard (29 CFR
1910.134), or equivalent U.S. State standards and or the Canadian CSA Standard Z94.4-M1982, Selection,
Care and Use of Respirators. Oxygen levels below 19.5% are considered IDLH by OSHA. In such
atmospheres, use of a full-facepiece pressure/demand SCBA or a full facepiece, supplied air respirator with
auxiliary self-contained air supply is required under OSHAs Respiratory Protection Standard (1910.134-
1998). The following guidelines are based on NIOSH respiratory protection recommendations for those
components that reach the guideline levels.
HYDROGEN SULFIDE
CONCENTRATION RESPIRATORY PROTECTION
Up to 100 ppm: Any Powered, Air-Purifying Respirator (PAPR) with cartridge(s), or any Air-Purifying, Full-
Facepiece Respirator (gas mask) with a chin-style, front- or back-mounted canister, or any
Supplied-Air Respirator (SAR), or any Self-Contained Breathing Apparatus (SCBA) with a
full facepiece.
Emergency or Planned Entry Into Unknown Concentrations or IDLH Conditions: Any SCBA that has a full facepiece
and is operated in a pressure-demand or other positive-pressure mode, or any SAR that
has a full facepiece and is operated in a pressure-demand or other positive-pressure
mode in combination with an auxiliary SCBA operated in pressure-demand or other
positive-pressure mode.
Escape: Any Air-Purifying, Full-Facepiece Respirator (gas mask) with a chin-style, front- or back-
mounted canister providing protection against the compound of concern, or any
appropriate escape-type, SCBA.
EYE PROTECTION: Splash goggles or safety glasses. If necessary, refer to U.S. OSHA 29 CFR 1910.133
and the Canadian CSA Standard Z94.3-M1982, Industrial Eye and Face Protectors.
HAND PROTECTION: Wear mechanically-resistant gloves when handling cylinders containing this gas
mixture. If necessary, refer to U.S. OSHA 29 CFR 1910.138, or appropriate Standards of Canada.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
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MATHESON TRI-GAS
8. EXPOSURE CONTROLS - PERSONAL PROTECTION (Continued)
BODY PROTECTION: Use body protection appropriate for task. If a hazard of injury to the feet exists due to
falling objects, rolling objects, where objects may pierce the soles of the feet or where employees feet may
be exposed to electrical hazards, use foot protection, as described in U.S. OSHA 29 CFR 1910.136 and
the Canadian CSA Standard Z195-M1984, Protective Footwear.
9. PHYSICAL and CHEMICAL PROPERTIES
The physical and chemical properties of this gas mixture have not been determined. The following information is
for the main components of this gas mixture, Ethane, Methane and Nitrogen, which will define the most
significant physical and chemical properties of the mixture.
The following information is for Ethane, a main component of this gas mixture:
GAS DENSITY @ 101.325 kPa @ 25属C (air = 1): 1.048
FREEZING/MELTING POINT (@ 10 psig): -183.1属C (-297.9属F)
SPECIFIC GRAVITY (air = 1) @ 21.1属C: 1.048 pH: Not applicable.
SOLUBILITY IN WATER vol/vol @ 20属C: 0.047 MOLECULAR WEIGHT: 30.08
EVAPORATION RATE (nBuAc = 1): Not applicable. EXPANSION RATIO: Not applicable.
3
ODOR THRESHOLD: Not applicable. SPECIFIC VOLUME (ft /lb): 12.5151
VAPOR PRESSURE @ 21.1属C (70属F) psig: 544 BOILING POINT: -88.6属C (-127.5属F)
COEFFICIENT WATER/OIL DISTRIBUTION: Not applicable.
The following information is for Methane, a main component of this gas mixture:
GAS DENSITY: 0.04235 lb/cu ft (6784 kg/m3) EVAPORATION RATE (nBuAc = 1): Not applicable.
SPECIFIC GRAVITY (air = 1): 0.55491 FREEZING POINT: -82.2属C (-115.96属F)
SOLUBILITY IN WATER: Slight. BOILING POINT (@ 1 atmos.): -161.5属C (-258.6属F)
3
EXPANSION RATIO: Not applicable. SPECIFIC VOLUME (ft /lb): 23.6113
ODOR THRESHOLD: Not applicable. MOLECULAR WEIGHT: 16.02
VAPOR PRESSURE (psia): Not applicable.
COEFFICIENT WATER/OIL DISTRIBUTION: Not applicable.
The following information is for the Nitrogen component of this gas mixture:
GAS DENSITY @ 21.1属C: 0.072 lb./ft3 (1.153 kg/m3) CRITICAL PRESSURE: 492.9 psia (3399 kPa abs)
BOILING POINT @ 1 atm: -195.8属C (-320.4属F) MOLECULAR WEIGHT: 28.01
3 3
SPECIFIC GRAVITY (air = 1) @ 21.1属C: 0.906 SPECIFIC VOLUME @ 21.1属C: 13.8 lb./ft (0.867 m /kg)
FREEZING/MELTING POINT @ 1 atm: -210属C (-345.8属F)
SOLUBILITY IN WATER vol/vol at 0属C and 1 atm: 0.023
COEFFICIENT WATER/OIL DISTRIBUTION: Not applicable.
The following information is pertinent to this product:
APPEARANCE, ODOR AND COLOR: This is a colorless, flammable gas mixture, with a distinct rotten egg?
odor, due to the presence of Hydrogen Sulfide and the other sulfur species.
HOW TO DETECT THIS SUBSTANCE (warning properties): The odor of this gas mixture is not a good
warning property in the event of a release due to the possibility of olfactory fatigue. In terms of leak
detection, fittings and joints can be painted with a soap solution to detect leaks, which will be indicated by a
bubble formation.
10. STABILITY and REACTIVITY
STABILITY: Stable at standard temperatures and pressures.
DECOMPOSITION PRODUCTS: If ignited in air, the components of this gas mixture will generate carbon
monoxide, carbon dioxide, sulfur oxides and oxides of nitrogen.
MATERIALS WITH WHICH SUBSTANCE IS INCOMPATIBLE: This gas mixture is incompatible with strong
oxidizers such as chlorine, bromine, pentafluoride, oxygen, oxygen difluoride and nitrogen trifluoride. Due to
the presence of Carbon Dioxide, this gas mixture may be incompatible with powdered aluminum, beryllium,
cerium alloys, chromium, magnesium-aluminum alloys, manganese, thorium, titanium, zirconium, metal
acetylides, and alkaline materials.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 8 OF 15 MATH0095
MATHESON TRI-GAS
10. STABILITY and REACTIVITY (Continued)
STABILITY: Stable at standard temperatures and pressures.
HAZARDOUS POLYMERIZATION: Will not occur.
CONDITIONS TO AVOID: Contact with incompatible materials, heat, spark or flame. Cylinders exposed to
high temperatures or direct flame can rupture or burst.
11. TOXICOLOGICAL INFORMATION
TOXICITY DATA: The Nitrogen component is a simple asphyxiant (SA) which acts to displace oxygen in the
environment. No toxicity data are applicable. The following are toxicity data for the remaining components
of this gas mixture that are in 1% or greater concentration: (Note: not all data available are presented in this
MSDS).
ETHANE: METHANE:
Guinea pigs breathing about 2.2 to 5% Ethane for 2 hours showed signs of LC50 (Inhalation-Mouse) 50 pph/2 hours
irregular breathing and slight drowsiness, but no other health effects. At
concentrations of 15-19%, when mixed with oxygen, Ethane is a weak
cardiac sensitizer. There were no signs of anesthesia in animals
breathing an ethane/oxygen mixture (80% ethane/20% oxygen) for up to
3.75 hours.
In addition, animal testing on the Ethane, Isobutane, Butane, Methane and Propane components of this gas
mixture have produced central nervous system effects. The Ethane, Isobutane, Butane, Hexane and Pentane
Isomers are also considered to be weak to moderate sensitizers of the cardiac system, producing changes in
heart function, based on animal tests.
CARCINOGENICINFORMATION: The components of this gas mixture are listed by agencies tracking
carcinogenic potential as follows:
Hexane: EPA-I (Inadequate Information to Assess Carcinogenic Potential)
Hydrogen Sulfide: EPA-I (Inadequate Information to Assess Carcinogenic Potential)
The remaining components are not found on the following lists: FEDERAL OSHA Z LIST, IARC, NTP,
CAL/OSHA, and therefore is not considered to be, nor suspected to be a cancer-causing agent by these
agencies.
IRRITANCY OF PRODUCT: Due to the presence of solvents in this gas mixture, exposure by inhalation or skin
contact may cause irritation, especially if exposure is prolonged.
SENSITIZATION TO THE PRODUCT: The components of this product are not known to be human skin or
respiratory sensitizers. Ethane, Isobutane, Butane, Propane, Hexane and Pentane isomers, in high
concentrations, are considered weak heart sensitizing agents based on animal studies.
REPRODUCTIVE TOXICITY INFORMATION: Listed below is information concerning the effects of the
components of this gas mixture on the human reproductive system.
Mutagenicity: The components of this gas mixture are not reported to cause mutagenic effects in humans. Animal
mutagenic data are available for the Carbon Dioxide component of this gas mixture; these data were obtained during
clinical studies on specific animal tissues exposed to relatively high doses of these gases.
Embryotoxicity: The components of this gas mixture are not reported to cause embryotoxic effects in humans. Clinical
studies involving test animals exposed to high concentrations of Carbon Dioxide indicate embryotoxic effects (e.g.,
cardiac and skeletal malformations, stillbirths). Animal tests involving the Hexane component produced embryotoxic
effects at levels that also caused maternal toxicity in rats and mice exposed by inhalation.
Teratogenicity: The components of this gas mixture are not reported to cause teratogenic effects in humans. Clinical
studies involving test animals exposed to high concentrations of Carbon Dioxide indicate teratogenic effects (e.g.,
cardiac and skeletal malformations, stillbirths).
Reproductive Toxicity: The components of this gas mixture are not reported to cause reproductive effects in humans.
Studies involving test animals exposed to high concentrations of Carbon Dioxide show effects (e.g. changes in
testes).
BIOLOGICAL EXPOSURE INDICES (BEIs): There are Biological Exposure Indices (BEIs) determined for the
Hexane component of this gas mixture, as follows.
CHEMICAL DETERMINANT SAMPLING TIME BEI
n-HEXANE
? 2,5-Hexanedione in urine ? End of shift at end of workweek ? 0.4 mg/L
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 9 OF 15 MATH0095
MATHESON TRI-GAS
12. ECOLOGICAL INFORMATION
ENVIRONMENTAL STABILITY: This gas mixture will be dissipated rapidly in well-ventilated areas. The
following information is available for some of the main components on persistence, bio-concentration and
biodegradability of these compounds.
Persistence:
Ethane: Photolysis or hydrolysis of Ethane gas in aquatic systems is not expected to be important. Based on a calculated vapor pressure of 31,459
mm Hg at 25属C, Ethane is expected to exist entirely in the vapor phase in ambient air. Ethane gas does not absorb UV light in the
environmentally significant range, > 290 nm and probably will not undergo direct photolysis in the atmosphere. Vapor phase reactions with
photochemically produced hydroxyl radicals in the atmosphere have been shown to occur. Rate constants for Ethane were measured to be
about 3.06X10-13 cu cm/molecule-sec at 25属C, which correspond to atmospheric half lives of about 52 days or greater at an atmospheric
concentration of 5X10+5 hydroxyl radicals per cu cm. Experimental data showed that 1.4% of the Ethane fraction in a dark chamber reacted
with Nitrogen Oxide to form the corresponding alkyl nitrate, suggesting nighttime reactions with radical species and nitrogen oxides may
contribute to the atmospheric transformation of Ethane. Volatilization is expected to be the dominant fate process. To a lesser extent, adsorption
may occur. An estimated range for Koc from 230 to 460 indicates Ethane may partition from the water column to organic matter contained in
sediments and suspended materials. An estimated Henry's Law constant of 5.01X10-1 atm-cu m/mole at 25属C suggests extremely rapid
volatilization of ethane from environmental waters. Based on this Henry's Law constant, the volatilization half life from a model river has been
estimated to be 1.5 hours. The volatilization half life from a model pond, which considers the effect of adsorption, can be estimated to be about
1.9 days.
Methane: Methane exists in the gas-phase in the ambient atmosphere with a vapor pressure of 4.7X10+5 mmHg. Volatilization is expected to be
the most important fate process for Methane in soil based on its vapor pressure of 4.7X10+5 mm Hg at 25属C. Volatilization of methane from
moist soil surfaces is expected to be an important fate process given an estimated Henry's Law constant of 0.66 atm-cu m/mole derived from its
vapor pressure, and water solubility, 22 mg/L. Based on a classification scheme, an estimated Koc value of 90, determined from a log Kow of
1.09 and a regression-derived equation, indicates that Methane is not expected to adsorb to suspended solids and sediment. Volatilization from
water surfaces is expected to be the dominant fate process in aqueous systems based upon an estimated Henry's Law constant of 0.66 atm-cu
m/mole, derived from its vapor pressure, 4.7X10+5 mmHg, and water solubility, 22 mg/liter. Using this Henry's Law constant and an estimation
method, volatilization half-lives for a model river and model lake are both 2 hours. According to a classification scheme, an estimated BCF of 1,
from its log Kow and a regression-derived equation, suggests the potential for bioconcentration in aquatic organisms is low.
Biodegradation:
Ethane: The biodegradation of Ethane may occur in soils; however, volatilization is expected to be the dominant fate process. To a lesser extent,
adsorption may occur. A calculated Koc range of 230 to 460 indicates a medium mobility class for Ethane in soils. Based upon an estimated
Henry's Law constant of 5.01X10-1 atm-cu m/mole at 25属C, Ethane is expected to rapidly volatilize from most surface soils. Biodegradation of
Ethane may occur in aquatic environments.
Methane: Gas-phase Methane is very slowly degraded in the atmosphere by reaction with photochemically-produced hydroxyl radicals; the half-life
for this reaction in air is estimated to be about 6 years, calculated from its rate constant of 6.9X10-15 cu cm/molecule-sec at 25属C. Utilization of
Methane by soil microorganisms has been detected from five soil samples collected from sites near Adelaide, South Australia.
Bioaccumulation:
Ethane: Based upon a water solubility of 60.2 ppm at 25属C and a log Kow of 1.81, the bioconcentration factor (log BCF) for Ethane has been
calculated, using recommended regression derived equations, to be 1.15 and 1.79, respectively. These bioconcentration factors values do not
indicate that bioconcentration in aquatic organisms is important.
Methane: An estimated BCF of 1 was calculated for Methane, using a log Kow of 1.09 and a regression-derived equation. According to a
classification scheme, this BCF suggests the potential for bioconcentration in aquatic organisms is low. The biodegradation half-life of methane
was estimated to range from 70 days to infinity based on gas exchange biodegradation experiments conducted in model estuarine ecosystems.
EFFECT OF MATERIAL ON PLANTS or ANIMALS: Any adverse effect on animals would be related to
oxygen deficient environments.
EFFECT OF CHEMICAL ON AQUATIC LIFE: There are no data on possible adverse effects from this gas
mixture on aquatic life. The following are aquatic toxicity data for the Carbon Dioxide and Hydrogen Sulfide
component:
CARBON DIOXIDE: HYDROGEN SULFIDE:
LC50 (fly inhalation) 960 minutes = 380 mg/m3
Toxic Effect: Lethal (Trout) 1 hour = 240 mg/L
LC50 (fly inhalation) 7 minutes = 1500 mg/m3
Toxic Effect: Lethal (Rainbow Trout) 96 hours = 35 mg/L
Toxic Effect: Lethal (Rainbow Trout) 12 hours = 60-240 mg/L TLm (Lepomis macrochirus, bluegill sunfish) 96 hours = 0.0478 mg/L
Harmful to some species of aquatic life in concentrations less than 20 TLm (Lepomis macrochirus, bluegill sunfish) 96 hours = 0.0448 mg/L @t
mg/L 21-22属C
HYDROGEN SULFIDE: TLm (Pimephlaes promelas, fathead minnow) 96 hours = 0.0071-0.55
TLm (Asellussp) 96 hours = 0.111 mg/L mg/L
TLm (Cranfgonyx sp) 96 hours =1.07 mg/L TLm (Salvenilis foninalis, brook trout) 96 hours = 0.0216-0.038 mg/L @
TLm (Gammarrus) 96 hours = 0.84 mg/L 8-12.5属C
13. DISPOSAL CONSIDERATIONS
PREPARING WASTES FOR DISPOSAL: Waste disposal must be in accordance with appropriate U.S.
Federal, State, and local regulations and regulations of Canada and its provinces. Return cylinders with any
residual product to Matheson Tri-Gas. Do not dispose of locally.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 10 OF 15 MATH0095
MATHESON TRI-GAS
14. TRANSPORTATION INFORMATION
THIS GAS MIXTURE IS HAZARDOUS AS DEFINED BY 49 CFR 172.101 BY THE U.S. DEPARTMENT OF
TRANSPORTATION.
PROPER SHIPPING NAME: Compressed gases, flammable, n.o.s. (Methane, Ethane)
HAZARD CLASS NUMBER and DESCRIPTION: 2.1 (Flammable Gas)
UN IDENTIFICATION NUMBER: UN 1954
PACKING GROUP: Not Applicable
D.O.T HAZARD LABEL: Class 2.1 (Flammable Gas)
NORTH AMERICAN EMERGENCY RESPONSE GUIDEBOOK NUMBER (2004): 115
MARINE POLLUTANT: The components of this gas mixture are not classified by the DOT as a Marine Pollutants (as
defined by 49 CFR 172.101, Appendix B).
SPECIAL SHIPPING INFORMATION: Cylinders should be transported in a secure position, in a well-ventilated vehicle.
The transportation of compressed gas cylinders in automobiles or in closed-body vehicles present serious safety
hazards and should be discouraged.
NOTE: Shipment of compressed gas cylinders which have not been filled with the owners consent is a violation
of Federal law (49 CFR, Part 173.301 (b).
TRANSPORT CANADA TRANSPORTATION OF DANGEROUS GOODS REGULATIONS: This gas is
classified as Dangerous Goods, per regulations of Transport Canada. The use of the above U.S. DOT
information from the U.S. 49 CFR regulations is allowed for shipments that originate in the U.S. For
shipments via ground vehicle or rail that originate in Canada, the following information is applicable.
PROPER SHIPPING NAME: Compressed gases, flammable, n.o.s. (Methane, Ethane)
UN IDENTIFICATION NUMBER: UN 1954
HAZARD CLASS NUMBER and DESCRIPTION: 2.1 (Flammable Gas)
PACKING GROUP: Not Applicable
HAZARD SHIPPING LABEL(S) REQUIRED: Class 2.1 (Flammable Gas)
SPECIAL PROVISIONS: 16
EXPLOSIVE LIMIT & LIMITED QUANTITY INDEX: 0.125
ERAP INDEX: 3000
PASSENGER CARRYING SHIP INDEX: Forbidden
PASSENGER CARRYING ROAD OR RAIL VEHICLE INDEX: Forbidden
NORTH AMERICAN EMERGENCY RESPONSE GUIDEBOOK NUMBER (2004): 115
NOTE: Shipment of compressed gas cylinders via Public Passenger Road Vehicle is a violation of Canadian law
(Transport Canada Transportation of Dangerous Goods Act, 1992).
15. REGULATORY INFORMATION
ADDITIONAL U.S. REGULATIONS:
U.S. SARA REPORTING REQUIREMENTS: The components of this product are subject to the reporting
requirements of Sections 302, 304 and 313 of Title III of the Superfund Amendments and
Reauthorization Act, as follows:
SARA 302 SARA 304 SARA 313
CHEMICAL NAME
(40 CFR 355, Appendix A) (40 CFR Table 302.4) (40 CFR 372.65)
Carbonyl Sulfide No No Yes
Hexane No No Yes
Hydrogen Sulfide Yes Yes Yes
U.S. SARA SECTION 302 EXTREMELY HAZARDOUS SUBSTANCE THRESHOLD PLANNING
QUANTITY: Hydrogen Sulfide = 500 lb (227 kg)
U.S. SARA SECTION 304 EXTREMELY HAZARDOUS SUBSTANCE REPORTABLE QUANTITY:
Hydrogen Sulfide = 100 lb (45.4 kg)
U.S. SARA HAZARD CATEGORIES (SECTION 311/312, 40 CFR 370-21): ACUTE: Yes; CHRONIC: Yes;
FIRE: No; REACTIVE: No; SUDDEN RELEASE: Yes
U.S. TSCA INVENTORY STATUS: Components of this product are listed on the TSCA Inventory.
U.S. CERCLA REPORTABLE QUANTITY (RQ): Carbonyl Sulfide = 100 lb (45.4 kg); Hexane = 5000 lb
(2270 kg); Hydrogen Sulfide = 100 lb (45.4 kg)
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 11 OF 15 MATH0095
MATHESON TRI-GAS
15. REGULATORY INFORMATION (Continued)
ADDITIONAL U.S. REGULATIONS (continued):
OTHER U.S. FEDERAL REGULATIONS: Carbonyl Sulfide and Hydrogen Sulfide are subject to the
reporting requirements of Section 112(r) of the Clean Air Act. The threshold quantity for these gases is
10,000 lbs (4,540 kg). Hydrogen Sulfide is listed in Table 1, as a Regulated Substance (Toxic
Substance) in quantities of 10,000 lb (4,553 kg) or greater.
Butane, Ethane, Isobutane, Isopentane, Methane, Pentane, and Propane are subject to the reporting
requirements of Section 112(r) of the Clean Air Act. The threshold quantity for each of these gases is
10,000 lbs (4,540 kg). Butane, Ethane, Isobutane, Isopentane, Methane, Pentane, and Propane are
listed as Regulated Substances in quantities of 10,000 lbs (4,540 kg) or greater, per 40 CFR, Part 68 of
the Risk Management for Chemical Accidental Release. Any process that involves a flammable gas on-
site, in one location, in quantities of 10,000 lbs (4,540 kg) or greater has requirements under the Process
Safety Management of Highly Hazardous Chemicals (29 CFR 1910.119), unless the gas is used as a
fuel.
CALIFORNIA SAFE DRINKING WATER AND TOXIC ENFORCEMENT ACT (PROPOSITION 65): The
components of this gas mixture are not on the California Proposition Lists.
LABELING: Cylinders of this gas mixture should be labeled for precautionary information per the guidelines
of the CGA. Refer to the CGA for further information.
ADDITIONAL CANADIAN REGULATIONS:
CANADIAN DSL/NDSL INVENTORY STATUS: The components of this product are listed on the DSL
Inventory.
OTHER CANADIAN REGULATIONS: Not applicable.
CANADIAN ENVIRONMENTAL PROTECTION ACT (CEPA) PRIORITIES SUBSTANCES LISTS: The
components of this product are not on the CEPA Priorities Substances Lists.
ADDITIONAL CANADIAN. REGULATIONS:
CANADIAN WHMIS SYMBOLS: This gas mixture would be categorized as a Controlled Product, Hazard
Classes: A (Compressed Gas), B1 (Flammable), and D2B (Materials Causing Other Toxic Effects -
Acute and Chronic Toxic Effects). The following symbol is required for WHMIS compliance for this gas
mixture.
16. OTHER INFORMATION
CREATION DATE: July 22, 2006
MIXTURES: When two or more gases or liquefied gases are mixed, their hazardous properties may combine to create
additional, unexpected hazards. Obtain and evaluate the safety information for each component before you use
the mixture. Consult an Industrial Hygienist or other trained person when you make your safety evaluation of the
end product. Remember, gases and liquids have properties which can cause serious injury or death.
Further information can be found in the following pamphlets published by: Compressed Gas Association Inc. (CGA),
1725 Jefferson Davis Highway, Suite 1004, Arlington, VA 22202-4102. Telephone: (703) 412-0900.
Safe Handling of Compressed Gases in Containers? (P-1, 1999)
Safe Handling and Storage of Compressed Gases? (AV-1, 1999)
Handbook of Compressed Gases? (1992)
PREPARED BY: CHEMICAL SAFETY ASSOCIATES, Inc.
PO Box 3519, La Mesa, CA 91944-3519
800/441-3365
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 12 OF 15 MATH0095
MATHESON TRI-GAS
16. OTHER INFORMATION (Continued)
DEFINITIONS OF TERMS
A large number of abbreviations and acronyms appear on a MSDS. Some of these which are commonly used include the following:
CAS #: This is the Chemical Abstract Service Number that uniquely identifies HAZARDOUS MATERIALS IDENTIFICATION SYSTEM
each constituent.
HAZARD RATINGS: This rating system was developed by the National
EXPOSURE LIMITS IN AIR: Paint and Coating Association and has been adopted by industry to identify
CEILING LEVEL: The concentration that shall not be exceeded during any the degree of chemical hazards.
part of the working exposure. HEALTH HAZARD:
DFG MAK Germ Cell Mutagen Categories: 1: Germ cell mutagens which 0 (Minimal Hazard: No significant health risk, irritation of skin or eyes not
have been shown to increase the mutant frequency in the progeny of exposed anticipated. Skin Irritation: Essentially non-irritating. PII or Draize = ?0?. Eye
humans. 2: Germ cell mutagens which have been shown to increase the Irritation: Essentially non-irritating, or minimal effects which clear in < 24 hours
mutant frequency in the progeny of exposed mammals. 3A: Substances [e.g. mechanical irritation]. Draize = ?0?. Oral Toxicity LD50 Rat: < 5000
which have been shown to induce genetic damage in germ cells of human of mg/kg. Dermal Toxicity LD50Rat or Rabbit: < 2000 mg/kg. Inhalation Toxicity
animals, or which produce mutagenic effects in somatic cells of mammals in 4-hrs LC50 Rat: < 20 mg/L.); 1 (Slight Hazard: Minor reversible Injury may
vivo and have been shown to reach the germ cells in an active form. 3B: occur; slightly or mildly irritating. Skin Irritation: Slightly or mildly irritating. Eye
Substances which are suspected of being germ cell mutagens because of Irritation: Slightly or mildly irritating. Oral Toxicity LD50 Rat: > 500-5000 mg/kg.
their genotoxic effects in mammalian somatic cell in vivo; in exceptional cases, Dermal Toxicity LD50Rat or Rabbit: > 1000-2000 mg/kg. Inhalation Toxicity
substances for which there are no in vivo data, but which are clearly LC50 4-hrs Rat: > 2-20 mg/L); 2 (Moderate Hazard: Temporary or transitory
mutagenic in vitro and structurally related to known in vivo mutagens. 4: Not injury may occur. Skin Irritation: Moderately irritating; primary irritant;
applicable (Category 4 carcinogenic substances are those with non-genotoxic sensitizer. PII or Draize > 0, < 5. Eye Irritation: Moderately to severely
mechanisms of action. By definition, germ cell mutagens are genotoxic. irritating and/or corrosive; reversible corneal opacity; corneal involvement or
Therefore, a Category 4 for germ cell mutagens cannot apply. At some time in irritation clearing in 8-21 days. Draize > 0, < 25. Oral Toxicity LD50 Rat: > 50-
the future, it is conceivable that a Category 4 could be established for 500 mg/kg. Dermal Toxicity LD50Rat or Rabbit: > 200-1000 mg/kg. Inhalation
genotoxic substances with primary targets other than DNA [e.g. purely Toxicity LC50 4-hrs Rat: > 0.5-2 mg/L.); 3 (Serious Hazard: Major injury likely
aneugenic substances] if research results make this seem sensible.) 5: Germ unless prompt action is taken and medical treatment is given; high level of
cell mutagens, the potency of which is considered to be so low that, provided toxicity; corrosive. Skin Irritation: Severely irritating and/or corrosive; may
the MAK value is observed, their contribution to genetic risk for humans is destroy dermal tissue, cause skin burns, dermal necrosis. PII or Draize > 5-8
expected not to be significant. with destruction of tissue. Eye Irritation: Corrosive, irreversible destruction of
DFG MAK Pregnancy Risk Group Classification: Group A: A risk of ocular tissue; corneal involvement or irritation persisting for more than 21
damage to the developing embryo or fetus has been unequivocally days. Draize > 80 with effects irreversible in 21 days. Oral Toxicity LD50 Rat:
demonstrated. Exposure of pregnant women can lead to damage of the > 1-50 mg/kg. Dermal Toxicity LD50Rat or Rabbit: > 20-200 mg/kg. Inhalation
developing organism, even when MAK and BAT (Biological Tolerance Value Toxicity LC50 4-hrs Rat: > 0.05-0.5 mg/L.); 4 (Severe Hazard: Life-
for Working Materials) values are observed. Group B: Currently available threatening; major or permanent damage may result from single or repeated
information indicates a risk of damage to the developing embryo or fetus must exposure. Skin Irritation: Not appropriate. Do not rate as a ?4?, based on skin
be considered to be probable. Damage to the developing organism cannot be irritation alone. Eye Irritation: Not appropriate. Do not rate as a ?4?, based on
excluded when pregnant women are exposed, even when MAK and BAT eye irritation alone. Oral Toxicity LD50 Rat: < 1 mg/kg. Dermal Toxicity
values are observed. Group C: There is no reason to fear a risk of damage LD50Rat or Rabbit: < 20 mg/kg. Inhalation Toxicity LC50 4-hrs Rat: < 0.05
to the developing embryo or fetus when MAK and BAT values are observed. mg/L).
Group D: Classification in one of the groups A-C is not yet possible because, FLAMMABILITY HAZARD:
although the data available may indicate a trend, they are not sufficient for final 0 (Minimal Hazard-Materials that will not burn in air when exposure to a
evaluation. temperature of 815.5属C [1500属F] for a period of 5 minutes.); 1 (Slight Hazard-
IDLH-Immediately Dangerous to Life and Health: This level represents a Materials that must be pre-heated before ignition can occur. Material require
concentration from which one can escape within 30-minutes without suffering considerable pre-heating, under all ambient temperature conditions before
escape-preventing or permanent injury. ignition and combustion can occur, Including: Materials that will burn in air
LOQ: Limit of Quantitation. when exposed to a temperature of 815.5属C (1500属F) for a period of 5 minutes
MAK: Federal Republic of Germany Maximum Concentration Values in the or less; Liquids, solids and semisolids having a flash point at or above 93.3属C
workplace. [200属F] (e.g. OSHA Class IIIB, or; Most ordinary combustible materials [e.g.
NE: Not Established. When no exposure guidelines are established, an entry wood, paper, etc.]; 2 (Moderate Hazard-Materials that must be moderately
of NE is made for reference. heated or exposed to relatively high ambient temperatures before ignition can
NIC: Notice of Intended Change. occur. Materials in this degree would not, under normal conditions, form
NIOSH CEILING: The exposure that shall not be exceeded during any part of hazardous atmospheres in air, but under high ambient temperatures or
the workday. If instantaneous monitoring is not feasible, the ceiling shall be moderate heating may release vapor in sufficient quantities to produce
assumed as a 15-minute TWA exposure (unless otherwise specified) that hazardous atmospheres in air, Including: Liquids having a flash-point at or
shall not be exceeded at any time during a workday.
above 37.8属C [100属F]; Solid materials in the form of course dusts that may
NIOSH RELs: NIOSHs Recommended Exposure Limits. burn rapidly but that generally do not form explosive atmospheres; Solid
PEL-Permissible Exposure Limit: OSHAs Permissible Exposure Limits. materials in a fibrous or shredded form that may burn rapidly and create flash
This exposure value means exactly the same as a TLV, except that it is fire hazards (e.g. cotton, sisal, hemp; Solids and semisolids that readily give
enforceable by OSHA. off flammable vapors.); 3 (Serious Hazard- Liquids and solids that can be
The OSHA Permissible Exposure Limits are based in the 1989 PELs and the ignited under almost all ambient temperature conditions. Materials in this
June, 1993 Air Contaminants Rule (Federal Register: 58: 35338-35351 and degree produce hazardous atmospheres with air under almost all ambient
58: 40191). Both the current PELs and the vacated PELs are indicated. The temperatures, or, unaffected by ambient temperature, are readily ignited under
phrase, Vacated 1989 PEL,? is placed next to the PEL that was vacated by
almost all conditions, including: Liquids having a flash point below 22.8属C
Court Order.
[73属F] and having a boiling point at or above 38属C [100属F] and below 37.8属C
SKIN: Used when a there is a danger of cutaneous absorption.
[100属F] [e.g. OSHA Class IB and IC]; Materials that on account of their
STEL-Short Term Exposure Limit: Short Term Exposure Limit, usually a 15-
physical form or environmental conditions can form explosive mixtures with air
minute time-weighted average (TWA) exposure that should not be exceeded
and are readily dispersed in air [e.g., dusts of combustible solids, mists or
at any time during a workday, even if the 8-hr TWA is within the TLV-TWA,
droplets of flammable liquids]; Materials that burn extremely rapidly, usually by
PEL-TWA or REL-TWA.
reason of self-contained oxygen [e.g. dry nitrocellulose and many organic
TLV-Threshold Limit Value: An airborne concentration of a substance that
peroxides]); 4 (Severe Hazard-Materials that will rapidly or completely vaporize
represents conditions under which it is generally believed that nearly all
at atmospheric pressure and normal ambient temperature or that are readily
workers may be repeatedly exposed without adverse effect. The duration must
dispersed in air, and which will burn readily, including: Flammable gases;
be considered, including the 8-hour.
Flammable cryogenic materials; Any liquid or gaseous material that is liquid
TWA-Time Weighted Average: Time Weighted Average exposure
while under pressure and has a flash point below 22.8属C [73属F] and a boiling
concentration for a conventional 8-hr (TLV, PEL) or up to a 10-hr (REL)
point below 37.8属C [100属F] [e.g. OSHA Class IA;
workday and a 40-hr workweek.
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 13 OF 15 MATH0095
MATHESON TRI-GAS
16. OTHER INFORMATION (Continued)
DEFINITIONS OF TERMS (Continued)
HAZARDOUS MATERIALS IDENTIFICATION SYSTEM HAZARDOUS MATERIALS IDENTIFICATION SYSTEM
HAZARD RATINGS (continued): HAZARD RATINGS (continued):
FLAMMABILITY HAZARD (continued): PHYSICAL HAZARD (continued):
4 (continued): Material that ignite spontaneously when exposed to air at a 4 (continued): Compressed Gases: No Rating. Pyrophorics: Add to the
definition of Flammability ?4?. Oxidizers: No ?4? rating. Unstable Reactives:
temperature of 54.4属C [130属F] or below [e.g. pyrophoric]).
Substances that may polymerize, decompose, condense or self-react at
PHYSICAL HAZARD:
ambient temperature and/or pressure and have a high potential to cause
0 (Water Reactivity: Materials that do not react with water. Organic Peroxides:
significant heat generation or explosion.).
Materials that are normally stable, even under fire conditions and will not react
NATIONAL FIRE PROTECTION ASSOCIATION HAZARD
with water. Explosives: Substances that are Non-Explosive. Unstable
Compressed Gases: No Rating. Pyrophorics: No Rating. Oxidizers: No ?0?
RATINGS:
rating allowed. Unstable Reactives: Substances that will not polymerize,
HEALTH HAZARD: 0 (materials that, under emergency conditions, would offer
decompose, condense or self-react.); 1 (Water Reactivity: Materials that
no hazard beyond that of ordinary combustible materials): Gases and vapors
change or decompose upon exposure to moisture. Organic Peroxides:
whose LC50 for acute inhalation toxicity is greater than 10,000 ppm. Dusts
Materials that are normally stable, but can become unstable at high
and mists whose LC50 for acute inhalation toxicity is greater than 200 mg/L.
temperatures and pressures. These materials may react with water, but will
Materials whose LD50 for acute dermal toxicity is greater than 2000 mg/kg.
not release energy. Explosives: Division 1.5 & 1.6 substances that are very
Materials whose LD50 for acute oral toxicity is greater than 2000 mg/kg.
insensitive explosives or that do not have a mass explosion hazard.
Materials that are essentially non-irritating to the respiratory tract, eyes and
Compressed Gases: Pressure below OSHA definition. Pyrophorics: No
skin. 1 (materials that, under emergency conditions, can cause significant
Rating. Oxidizers: Packaging Group III; Solids: any material that in either
irritation): Gases and vapors whose LC50 for acute inhalation toxicity is
concentration tested, exhibits a mean burning time less than or equal to the
greater than 5,000 ppm but less than or equal to 10,000 ppm. Dusts and
mean burning time of a 3:7 potassium bromate/cellulose mixture and the
mists whose LC50 for acute inhalation toxicity is greater than 10 mg/L but
criteria for Packing Group I and II are not met. Liquids: any material that
less than or equal to 200 mg/L. Materials whose LD50 for acute dermal
exhibits a mean pressure rise time less than or equal to the pressure rise time
toxicity is greater than 1000 mg/kg but less than or equal to 2000 mg/kg.
of a 1:1 nitric acid (65%)/cellulose mixture and the criteria for Packing Group I
Materials whose LD50 for acute oral toxicity is greater than 500 mg/kg but
and II are not met. Unstable Reactives: Substances that may decompose,
less than or equal to 2000 mg/kg. Materials that cause slight to moderate
condense or self-react, but only under conditions of high temperature and/or
irritation to the respiratory tract, eyes and skin. 2 (materials that, under
pressure and have little or no potential to cause significant heat generation or
emergency conditions, can cause temporary incapacitation or residual injury):
explosive hazard. Substances that readily undergo hazardous polymerization
Gases and vapors whose LC50 for acute inhalation toxicity is greater than
in the absence of inhibitors.); 2 (Water Reactivity: Materials that may react
3,000 ppm but less than or equal to 5,000 ppm. Dusts and mists whose
violently with water. Organic Peroxides: Materials that, in themselves, are
LC50 for acute inhalation toxicity is greater than 2 mg/L but less than or
normally unstable and will readily undergo violent chemical change, but will not
equal to 10 mg/L. Materials whose LD50 for acute dermal toxicity is greater
detonate. These materials may also react violently with water. Explosives:
than 200 mg/kg but less than or equal to 1000 mg/kg. Materials whose
Division 1.4 ? Explosive substances where the explosive effect are largely
LD50 for acute oral toxicity is greater than 50 mg/kg but less than or equal
confined to the package and no projection of fragments of appreciable size or
to 500 mg/kg. Any liquid whose saturated vapor concentration at 20属C
range are expected. An external fire must not cause virtually instantaneous
(68属F) is equal to or greater than one-fifth its LC50 for acute inhalation
explosion of almost the entire contents of the package. Compressed Gases:
toxicity, if its LC50 is less than or equal to 5000 ppm and that does not meet
Pressurized and meet OSHA definition but < 514.7 psi absolute at 21.1属C
the criteria for either degree of hazard 3 or degree of hazard 4.
(70属F) [500 psig]. Pyrophorics: No Rating. Oxidizers: Packing Group II
Compressed liquefied gases with boiling points between -30属C (-22属F) and
Solids: any material that, either in concentration tested, exhibits a mean
-55属C (-66.5属F) that cause severe tissue damage, depending on duration of
burning time of less than or equal to the mean burning time of a 2:3 potassium
exposure. Materials that are respiratory irritants. Materials that cause
bromate/cellulose mixture and the criteria for Packing Group I are not met.
severe, but reversible irritation to the eyes or are lachrymators. Materials
Liquids: any material that exhibits a mean pressure rise time less than or
that are primary skin irritants or sensitizers. 3 (materials that, under
equal to the pressure rise of a 1:1 aqueous sodium chlorate solution
emergency conditions, can cause serious or permanent injury): Gases and
(40%)/cellulose mixture and the criteria for Packing Group I are not met.
vapors whose LC50 for acute inhalation toxicity is greater than 1,000 ppm
Unstable Reactives: Substances that may polymerize, decompose,
but less than or equal to 3,000 ppm. Dusts and mists whose LC50 for acute
condense, or self-react at ambient temperature and/or pressure, but have a
inhalation toxicity is greater than 0.5 mg/L but less than or equal to 2 mg/L.
low potential for significant heat generation or explosion. Substances that
Materials whose LD50 for acute dermal toxicity is greater than 40 mg/kg but
readily form peroxides upon exposure to air or oxygen at room temperature); 3
less than or equal to 200 mg/kg. Materials whose LD50 for acute oral
(Water Reactivity: Materials that may form explosive reactions with water.
toxicity is greater than 5 mg/kg but less than or equal to 50 mg/kg. Any
Organic Peroxides: Materials that are capable of detonation or explosive
liquid whose saturated vapor concentration at 20属C (68属F) is equal to or
reaction, but require a strong initiating source, or must be heated under
greater than one-fifth its LC50 for acute inhalation toxicity, if its LC50 is less
confinement before initiation; or materials that react explosively with water.
than or equal to 3000 ppm and that does not meet the criteria for degree of
Explosives: Division 1.2 ? Explosive substances that have a fire hazard and
hazard 4. Compressed liquefied gases with boiling points between -30属C (-
either a minor blast hazard or a minor projection hazard or both, but do not
22属F) and -55属C (-66.5属F) that cause frostbite and irreversible tissue
have a mass explosion hazard. Compressed Gases: Pressure > 514.7 psi
damage. Materials that are respiratory irritants. Cryogenic gases that
absolute at 21.1属C (70属F) [500 psig]. Pyrophorics: No Rating. Oxidizers:
cause frostbite and irreversible tissue damage. Materials that are corrosive
Packing Group I Solids: any material that, in either concentration tested,
to the respiratory tract. Materials that are corrosive to the eyes or cause
exhibits a mean burning time less than the mean burning time of a 3.:2
irreversible corneal opacity. Materials that are corrosive to the skin. 4
potassium bromate/cellulose mixture. Liquids: Any material that
(materials that, under emergency conditions, can be lethal): Gases and
spontaneously ignites when mixed with cellulose in a 1:1 ratio, or which
vapors whose LC50 for acute inhalation toxicity less than or equal to 1,000
exhibits a mean pressure rise time less than the pressure rise time of a 1:1
ppm. Dusts and mists whose LC50 for acute inhalation toxicity is less than
perchloric acid (50%)/cellulose mixture. Unstable Reactives: Substances that
or equal to 0.5 mg/L. Materials whose LD50 for acute dermal toxicity is less
may polymerize, decompose, condense or self-react at ambient temperature
than or equal to 40 mg/kg. Materials whose LD50 for acute oral toxicity is
and/or pressure and have a moderate potential to cause significant heat
less than or equal to 5 mg/kg. Any liquid whose saturated vapor
generation or explosion.); 4 (Water Reactivity: Materials that react explosively
concentration at 20属C (68属F) is equal to or greater than one-fifth its LC50 for
with water without requiring heat or confinement. Organic Peroxides:
acute inhalation toxicity, if its LC50 is less than or equal to 1000 ppm.
Materials that are readily capable of detonation or explosive decomposition at
FLAMMABILITY HAZARD: 0 Materials that will not burn under typical fire
normal temperature and pressures. Explosives: Division 1.1 & 1.2-explosive
conditions, including intrinsically noncombustible materials such as
substances that have a mass explosion hazard or have a projection hazard. A
concrete, stone, and sand: Materials that will not burn in air when exposed
mass explosion is one that affects almost the entire load instantaneously.
to a temperature of 816属C (1500属F) for a period of 5 minutes in according
with Annex D. 1 Materials that must be preheated before ignition can
occur. Materials in this degree require considerable preheating, under all
ambient temperature conditions, before ignition and combustion can occur:
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
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16. OTHER INFORMATION (Continued)
DEFINITIONS OF TERMS (Continued)
NATIONAL FIRE PROTECTION ASSOCIATION HAZARD NATIONAL FIRE PROTECTION ASSOCIATION HAZARD
RATINGS (continued): RATINGS (continued):
FLAMMABILITY HAZARD (continued): 1 (continued): Materials that will INSTABILTY HAZARD (continued): 3 (continued): Materials that have an
estimated instantaneous power density (product of heat of reaction and
burn in air when exposed to a temperature of 816属C (1500属F) for a period
of 5 minutes in accordance with Annex D. Liquids, solids and semisolids reaction rate) at 250属C (482属F) at or above 100 W/mL and below 1000 W/mL.
Materials that are sensitive to thermal or mechanical shock at elevated
having a flash point at or above 93.4属C (200属F) (i.e. Class IIIB liquids).
temperatures and pressures. 4 Materials that in themselves are readily
Liquids with a flash point greater than 35属C (95属F) that do not sustain
capable of detonation or explosive decomposition or explosive reaction at
combustion when tested using the Method of Testing for Sustained
normal temperatures and pressures: Materials that have an estimated
Combustibility, per 49 CFR 173, Appendix H or the UN Recommendation
instantaneous power density (product of heat of reaction and reaction rate) at
on the Transport of Dangerous Goods, Model Regulations (current edition)
250属C (482属F) of 1000 W/mL or greater. Materials that are sensitive to
and the related Manual of Tests and Criteria (current edition). Liquids with
localized thermal or mechanical shock at normal temperatures and pressures.
a flash point greater than 35属C (95属F) in a water-miscible solution or
FLAMMABILITY LIMITS IN AIR:
dispersion with a water non-combustible liquid/solid content of more than
85 percent by weight. Liquids that have no fire point when tested by ASTM Much of the information related to fire and explosion is derived from the
D 92 Standard Test Method for Flash and Fire Points by Cleveland Open National Fire Protection Association (NFPA). Flash Point - Minimum
Cup, up to a boiling point of the liquid or up to a temperature at which the temperature at which a liquid gives off sufficient vapors to form an ignitable
sample being tested shows an obvious physical change. Combustible mixture with air. Autoignition Temperature: The minimum temperature
pellets with a representative diameter of greater than 2 mm (10 mesh). required to initiate combustion in air with no other source of ignition. LEL - the
Solids containing greater than 0.5 percent by weight of a flammable or lowest percent of vapor in air, by volume, that will explode or ignite in the
combustible solvent are rated by the closed up flash point of the solvent. presence of an ignition source. UEL - the highest percent of vapor in air, by
Most ordinary combustible materials. 2 Materials that must be moderately volume, that will explode or ignite in the presence of an ignition source.
heated or exposed to relatively high ambient temperatures before ignition
TOXICOLOGICAL INFORMATION:
can occur. Materials in this degree would not under normal conditions form
Human and Animal Toxicology: Possible health hazards as derived from
hazardous atmospheres with air, but under high ambient temperatures or
human data, animal studies, or from the results of studies with similar
under moderate heating could release vapor in sufficient quantities to
compounds are presented. Definitions of some terms used in this section are:
produce hazardous atmospheres with air: Liquids having a flash point at or
LD50 - Lethal Dose (solids & liquids) which kills 50% of the exposed animals;
above 37.8属C (100属F) and below 93.4属C (200属F) (i.e. Class II and Class
LC50 - Lethal Concentration (gases) which kills 50% of the exposed animals;
IIIA liquids.) Solid materials in the form of powders or coarse dusts of
ppm concentration expressed in parts of material per million parts of air or
representative diameter between 420 microns (40 mesh) and 2 mm (10
water; mg/m3 concentration expressed in weight of substance per volume of
mesh) that burn rapidly but that generally do not form explosive mixtures in
air; mg/kg quantity of material, by weight, administered to a test subject,
air. Solid materials in fibrous or shredded form that burn rapidly and
based on their body weight in kg. Other measures of toxicity include TDLo,
create flash fire hazards, such as cotton, sisal and hemp. Solids and
the lowest dose to cause a symptom and TCLo the lowest concentration to
semisolids that readily give off flammable vapors. Solids containing
cause a symptom; TDo, LDLo, and LDo, or TC, TCo, LCLo, and LCo, the
greater than 0.5 percent by weight of a flammable or combustible solvent
lowest dose (or concentration) to cause lethal or toxic effects. Cancer
are rated by the closed cup flash point of the solvent. 3 Liquids and solids
Information: The sources are: IARC - the International Agency for Research
that can be ignited under almost all ambient temperature conditions.
on Cancer; NTP - the National Toxicology Program, RTECS - the Registry of
Materials in this degree produce hazardous atmospheres with air under
Toxic Effects of Chemical Substances, OSHA and CAL/OSHA. IARC and
almost all ambient temperatures or, though unaffected by ambient
NTP rate chemicals on a scale of decreasing potential to cause human
temperatures, are readily ignited under almost all conditions: Liquids
cancer with rankings from 1 to 4. Subrankings (2A, 2B, etc.) are also used.
having a flash point below 22.8属C (73属F) and having a boiling point at or
Other Information: BEI - ACGIH Biological Exposure Indices, represent the
above 37.8属C (100属F) and those liquids having a flash point at or above
levels of determinants which are most likely to be observed in specimens
22.8属C (73属F) and below 37.8属C (73属F) and below 37.8属C (100属F) (i.e.
collected from a healthy worker who has been exposed to chemicals to the
Class IB and IC liquids). Materials that, on account of their physical form
same extent as a worker with inhalation exposure to the TLV.
or environmental conditions, can form explosive mixtures with air and are
ECOLOGICAL INFORMATION:
readily dispersed in air. Flammable or combustible dusts with a
BCF = Bioconcentration Factor, which is used to determine if a substance will
representative diameter less than 420 microns (40 mesh). Materials that
concentrate in lifeforms which consume contaminated plant or animal matter;
burn with extreme rapidity, usually by reason of self-contained oxygen (e.g.
EC is the Effect Concentration in water; EC50 is the Effect Concentration for
dry nitrocellulose and many organic peroxides). Solids containing greater
50% of the organisms exposed; NOEC is the No Observed Effect
than 0.5 percent by weight of a flammable or combustible solvent are rated
Concentration; MATC is the Maximum Acceptable Toxicant Concentration;
by the closed cup flash point of the solvent. 4 Materials that will rapidly or
NOLC is the No Observed Lethal Concentration; TLm = median threshold
completely vaporize at atmospheric pressure and normal ambient
limit; Coefficient of Oil/Water Distribution is represented by log Kow or log
temperature or that are readily dispersed in air and will burn readily:
Koc and is used to assess a substances behavior in the environment.
Flammable gases. Flammable cryogenic materials. Any liquid or gaseous
materials that is liquid while under pressure and has a flash point below REGULATORY INFORMATION:
22.8属C (73属F) and a boiling point below 37.8属C (100属F) (i.e. Class IA U.S. and CANADA:
liquids). Materials that ignite when exposed to air, Solids containing ACGIH: American Conference of Governmental Industrial Hygienists, a
greater than 0.5 percent by weight of a flammable or combustible solvent professional association which establishes exposure limits. This section
are rated by the closed cup flash point of the solvent. explains the impact of various laws and regulations on the material. EPA
INSTABILITY HAZARD: 0 Materials that in themselves are normally is the U.S. Environmental Protection Agency. NIOSH is the National
stable, even under fire conditions: Materials that have an estimated Institute of Occupational Safety and Health, which is the research arm of
instantaneous power density (product of heat of reaction and reaction rate) at the U.S. Occupational Safety and Health Administration (OSHA). WHMIS
250属C (482属F) below 0.01 W/mL. Materials that do not exhibit an exotherm at is the Canadian Workplace Hazardous Materials Information System. DOT
temperatures less than or equal to 500属C (932属F) when tested by differential and TC are the U.S. Department of Transportation and the Transport
scanning calorimetry. 1 Materials that in themselves are normally stable, Canada, respectively. Superfund Amendments and Reauthorization Act
but that can become unstable at elevated temperatures and pressures: (SARA); the Canadian Domestic/Non-Domestic Substances List
Materials that have an estimated instantaneous power density (product of (DSL/NDSL); the U.S. Toxic Substance Control Act (TSCA); Marine
heat of reaction and reaction rate) at 250属C (482属F) at or above 0.01 W/mL Pollutant status according to the DOT; the Comprehensive Environmental
and below 10 W/mL. 2 Materials that readily undergo violent chemical Response, Compensation, and Liability Act (CERCLA or Superfund); and
change at elevated temperatures and pressures: Materials that have an various state regulations. This section also includes information on the
estimated instantaneous power density (product of heat of reaction and precautionary warnings which appear on the materials package label.
reaction rate) at 250属C (482属F) at or above 10 W/mL and below 100W/mL. 3 OSHA - U.S. Occupational Safety and Health Administration.
Materials that in themselves are capable of detonation or explosive
decomposition or explosive reaction, but that require a strong initiating
source or that must be heated under confinement before initiation:
FLAMMABLE GAS MIXTURE MSDS EFFECTIVE DATE: AUGUST 8, 2006
PAGE 15 OF 15 MATH0095
MATHESON TRI-GAS
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