MATERIAL SAFETY DATA SHEET PENTANE
PRODUCT CODE NUMBER(S): 7800-1, 7800-2, 7800-3, 7800-4, 7800-30, 7801-2, 7801-7, 7805-1, 7808-2
PRODUCT IDENTIFICATION FIRE AND EXPLOSION DATA
Chemical Name and Synonyms: Pentane, n-Pentane; Flammability: Extremely flammable liquid and vapour. Ma-
Normal pentane terial readily ignites at room temperature. Vapours form
explosive mixtures with air. Vapour is heavier than air and
Chemical Family: Saturated aliphatic hydrocarbon
may travel considerable distance to source of ignition and
Chemical Formula: C5H12
flash back. Liquid can float on water and spread fire. Con-
Product Use: Laboratory solvent tainers may explode in a fire.
Manufacturer鈥檚 Name and Address: Extinguishing Media: CO2, dry chemical powder, alco-
Caledon Laboratories Ltd. hol-resistant foam. Water spray or fog may be used to cool
containers, disperse vapours, dilute material and flush mate-
40 Armstrong Avenue
rial away from fire, but will be ineffective for fighting fire.
Georgetown, Ontario L7G 4R9
Fight fire from upwind, from a safe distance. Firefighters
Telephone No: (905) 877-0101 must wear protective equipment (full face-piece, posi-
Fax No: (905) 877-6666 tive-pressure self-contained breathing apparatus) and
clothing (full Bunker gear) sufficient to prevent inhalation of
Emergency Telephone No: CANUTEC (613) 996-6666
fumes or vapours and contact with skin and eyes. Con-
HAZARDOUS INGREDIENTS OF MATERIALS tainers may explode in heat of fire; withdraw immediately in
case of rising sound from vent or discoloration of tank.
Flash Point (Method Used): <40掳C (CC)
Ingredients % TLV Units CAS No.
Autoignition Temperature: 260掳C
n-Pentane >98 600 ppm 109-66-0
Upper Flammable Limit (% by volume): 7.8%
PHYSICAL DATA Lower Flammable Limit (% by volume): 1.5%
Hazardous Combustion Products: CO, CO2, toxic, irritat-
Physical State: Liquid
ing gases
Odour and Appearance: Colourless liquid; gasoline-like
Sensitivity to Impact: None identified
odour
Sensitivity to Static discharge: Mixtures of vapour and air
Odour Threshold (ppm): 100-1000 ppm; poor warning
at concentrations in the flammable range readily ignited by
properties, values vary widely and are unreliable.
static discharge. Liquid has low electrical conductivity and
Vapour Pressure (mm Hg): 488 mm Hg @ 20掳C
will accumulate static charge by flow or agitation.
Vapour Density (Air = 1): 2.48
TOXICOLOGICAL PROPERTIES AND HEALTH DATA
Evaporation Rate(bu ac = 1): 12.4-13
Boiling Point (掳C): 36掳C
Toxicological Data:
Freezing Point (掳C): -130掳C
LD50: (oral, rat): >2000 mg/kg
pH: Not applicable
LC50: (mouse) 117,000 ppm/5 min.; (rat) 364 g/m3/4h
Specific Gravity: 0.626 @ 20掳
Coefficient of Water/Oil distribution: LogP(oct)= 3.39
Effects of Acute Exposure to Product:
SHIPPING DESCRIPTION Inhaled: Readily forms high vapour concentrations at room
temperature, so can easily present an inhalation hazard. No
UN: 1265
symptoms observed after 10 min of exposure to 5,000 ppm.
T.D.G. Class: 3 Higher concentrations may cause dizziness, disorientation,
headache, excitement, drowsiness, incoordination, hyper-
Pkg. Group: I
sensitivity, tremors, hyperactivity, anesthesia, respiratory
REACTIVITY DATA and cardiac effects. 130,000 ppm reported to be lethal. Can
displace oxygen, especially in confined spaces, causing un-
Chemical Stability: Normally stable consciousness and death. If the victim survives, vital organs
(central nervous system, brain) may be permanently dam-
Incompatibility with other substances: Strong oxidizing
aged.
agents (chlorine, fluorine, peroxides, nitrates, perchlorates)
can increase the risk of fire and explosion. Not corrosive to In contact with skin: Brief contact is not irritating. Contact
steel, cast iron, stainless steel, copper and its alloys, nickel with liquid for 1 to 5 hours may cause defatting, drying, itch-
and its alloys, aluminum. Attacks some forms of plastics, ing, redness, swelling and burning, all of which are
rubbers, coatings. reversible after contact is terminated.
Reactivity: Avoid heat, sparks, open flame, hot surfaces, In contact with eyes: No human or animal information
oxidizing materials, generation of mist or vapour, and all in- available. Liquid wil probably cause temporary irritation,
compatible materials. with redness and pain.
Hazardous Decomposition Products: Carbon oxides Ingested: Oral toxicity is low. However, ingestion may
formed when burned. cause irritation and burning of the mouth and throat, abdomi-
nal pain and central nervous system depression. Aspiration
PENTANE
MSDS
CODE: 7800-1, 7800-2, 7800-3, 7800-4, 7800-30, 7801-2, 7801-7, 7805-1, 7808-2
of the liquid into the lungs during ingestion or vomiting may Keep storage and work areas free of combustible or incompati-
cause severe lung irritation or damage, chemical pneumoni- ble materials. Avoid generating mists or vapours. Avoid all
tis, pulmonary edema and even death. contact and inhalation. Use the smallest possible amount in a
well ventilated area. Keep aisles and exits clear of obstruction.
Treat empty containers with caution; may contain hazardous
Effects of Chronic Exposure to Product:
residues. Keep away from any incompatible materials, particu-
Prolonged or repeated skin contact can cause irritation and larly oxidizing agents. Do not return contaminated material to
dermatitis. Not expected to be occupational sensitizer. the original container.
Nervous system effects (peripheral neuropathy) observed Storage Requirements: Store in suitable, labelled containers,
incases of exposure to mixtures of solvents are likely attrib- a cool, dry, well-ventilated area, out of direct sunlight. Keep
utable to hexane, even though concentrations were lower tightly closed. Keep away from heat, sparks and flame. May de-
than thoseof pentane velop pressure; refrigerate before opening (boiling point 36掳C).
Store away from any incompatible materials (e.g. oxidizing
Carcinogenicity: No human or animal information avail-
agents). Protect from damage and inspect frequently for signs
able
of damage and/or leaking. Storage area must be constructed of
Teratogenicity: No human information available. Animal
fire-resistant materials and have raised sills or ramps to contain
studies do not show effects.
leaks and/or conduct them to a safe area.
Reproductive Effects: No human information available.
Animal studies do not show effects.
FIRST AID MEASURES
Mutagenicity: Negative in Ames test. No human or animal
information available Specific Measures:
Synergistic Products: None known
Eyes: Immediately flush eyes with warm running water for five
to ten (5-10) minutes, or until no trace of chemical remains,
PREVENTIVE MEASURES
holding eyelids open while flushing. If irritation persists, obtain
Engineering Controls: Non-sparking, grounded exhaust medical advice.
ventilation, separate from other ventilation systems. Skin: Remove contaminated clothing (including rings,
Respiratory Protection: Up to 1200 ppm: NIOSH/MSHA watches. belts, and shoes). Immediately flush exposed area
approved supplied-air respirator. Up to 1500 ppm: full with large amounts of running water for five to ten (5-10) min-
face-piece supplied-air respirator, continuous-flow sup- utes or until no trace of chemical remains. If irritation persists,
plied-air respirator, or self-contained breathing apparatus. obtain medical advice.
Higher or unknown concentrations, as in fire or spill condi- Inhalation: IMMEDIATELY remove to fresh air (caution must
tions: positive-pressure, full face-piece self-contained be used by rescuers to avoid exposure to contaminating
breathing apparatus, or positive-pressure, full face-piece fumes). Give oxygen and get medical attention for any breath-
supplied-air respirator with an auxiliary positive-pressure ing difficulty. If breathing has stopped give artificial respiration.
self-contained breathing apparatus. If breathing and pulse are absent, give CPR. IMMEDIATELY
Eye Protection: Chemical safety goggles and/or face OBTAIN MEDICAL ATTENTION. Stay with casualty until medi-
shield. cal assistance is reached.
Skin Protection: Viton鈩?, Silver Shield/4H鈩? (polyethyl- Ingestion: Do NOT induce vomiting. DANGER OF ASPIRA-
ene/ethylene vinyl alcohol) gloves; nitrile rubber, polyvinyl TION WITH EMESIS. If casualty is alert and not convulsing,
alcohol gloves are suitable for 4-6 hour use. Other protective rinse out mouth with water and give 1-2 glasses of water to
clothing, sleeves, apron, coveralls, boots, sufficient to pre- drink to dilute material. Get medical attention. If spontaneous
vent contact. vomiting occurs have casualty lean forward with head down to
avoid breathing in of vomitus.
Other Personal Protective Equipment: Safety shower
and eye wash readily available in work area.
REFERENCES USED
Leak and Spill Procedure: Evacuate area, and provide
maximum ventilation. Eliminate all sources of ignition. CCINFO disc: Cheminfo, June 2006
Cleanup personnel mst wear protective equipment and
Royal Society of Chemistry: Chemical Safety Data Sheets, Vol. 5,
clothing sufficient to prevent inhalation of mists or vapours
1992
and contact with skin and eyes, and must be thoroughly
trained in the handling of hazardous materials. Do not touch Sax: Dangerous Properties of Industrial Materials, 5th ed., 1979
spilled material. Contain spill with activated carbon adsor- Suppliers鈥? Material Safety Data Sheets
bent or other inert material. Prevent from entering sewers or
waterways. Collect contaminated adsorbent in labelled con-
ADDITIONAL INFORMATION
tainers and hold for disposal. Contaminated adsorbent may
have the same hazards as the product; treat with caution. Date Issued: November 1, 1988
Wash site of spill thoroughly with detergent and water. Revision: September 2006
Waste Disposal: Follow all federal, provincial, and local
MSDS: 7800-1, 7800-2, 7800-3, 7800-4, 7800-30, 7801-2,
regulations.
7801-7, 7805-1, 7808-2
Handling Procedures and Equipment: EXTREMELY
Proposed WHMIS Designation: B2
FLAMMABLE, TOXIC. Workers must be thoroughly trained
in the handling of hazardous materials and in the hazards of
Prepared by: Caledon Laboratories Ltd. (905) 877-0101
this material and its safe use, and must wear protective
Caledon Laboratories Ltd. believes the information contained
equipment and clothing sufficient to prevent inhalation of
mists or vapours and contact with skin and eyes. Eliminate herein is reliable and accurate. Caledon makes no warranty with
all ignition sources. Post 鈥淣o Smoking鈥? signs. Ground and respect thereto and expressly disclaims all liability for reliance
bond drums, transfer vessels, hoses and piping, during liq- thereon. Such information is solely for your consideration, investi-
uid transfer. Ground clips must contact bare metal. Use gation, and verification.
spark-resistant tools and avoid 鈥渟plash filling鈥? of containers.
|