**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****
+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 109-66-0 |n-Pentane | 100 | 203-692-4 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN F+ N
Risk Phrases: 12 51/53 65 66 67
**** SECTION 3 - HAZARDS IDENTIFICATION ****
EMERGENCY OVERVIEW
Extremely flammable. Toxic to aquatic organisms, may cause long-term
adverse effects in the aquatic environment. Harmful: may cause lung
damage if swallowed. Repeated exposure may cause skin dryness or
cracking. Vapours may cause drowsiness and dizziness.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. Repeated or prolonged exposure may cause
drying and cracking of the skin.
Ingestion:
May cause central nervous system depression, characterized by
excitement, followed by headache, dizziness, drowsiness, and nausea.
Advanced stages may cause collapse, unconsciousness, coma and
possible death due to respiratory failure. Aspiration of material
into the lungs may cause chemical pneumonitis, which may be fatal.
Inhalation:
Inhalation of high concentrations may cause central nervous system
effects characterized by nausea, headache, dizziness, unconsciousness
and coma. May cause respiratory tract irritation. Vapors may cause
dizziness or suffocation.
Chronic:
Prolonged or repeated skin contact may cause defatting and
dermatitis. Chronic exposure to vapors may produce polyneuropathy.
**** SECTION 4 - FIRST AID MEASURES ****
Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
Potential for aspiration if swallowed. Get medical aid immediately.
Do not induce vomiting unless directed to do so by medical
personnel. Never give anything by mouth to an unconscious person.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial
respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
**** SECTION 5 - FIRE FIGHTING MEASURES ****
General Information:
Containers can build up pressure if exposed to heat and/or fire. As
in any fire, wear a self-contained breathing apparatus in
pressure-demand, MSHA/NIOSH (approved or equivalent), and full
protective gear. Vapors may form an explosive mixture with air. Use
water spray to keep fire-exposed containers cool. Extremely flammable
liquid and vapor. Vapor may cause flash fire. Vapors are heavier than
air and may travel to a source of ignition and flash back. Vapors can
spread along the ground and collect in low or confined areas.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. For large fires, use water spray, fog, or
alcohol-resistant foam. This material is lighter than water and
insoluble in water. The fire could easily be spread by the use of
water in an area where the water cannot be contained. Do NOT use
straight streams of water.
**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****
General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth),
then place in suitable container. Remove all sources of ignition.
Use a spark-proof tool. Provide ventilation. A vapor suppressing
foam may be used to reduce vapors.
**** SECTION 7 - HANDLING and STORAGE ****
Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Ground and bond containers when transferring
material. Use spark-proof tools and explosion proof equipment. Avoid
contact with eyes, skin, and clothing. Empty containers retain
product residue, (liquid and/or vapor), and can be dangerous. Do not
pressurize, cut, weld, braze, solder, drill, grind, or expose empty
containers to heat, sparks or open flames. Use only with adequate
ventilation. Keep away from heat, sparks and flame. Avoid breathing
vapor or mist.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a tightly closed container. Keep from contact
with oxidizing materials. Store in a cool, dry, well-ventilated area
away from incompatible substances. Flammables-area.
**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****
Engineering Controls:
Facilities storing or utilizing this material should be equipped
with an eyewash facility and a safety shower. Use adequate general or
local exhaust ventilation to keep airborne concentrations below the
permissible exposure limits. Ventilation fans and other electrical
service must be non-sparking and have an explosion-proof design.
Exposure Limits
CAS# 109-66-0:
United States OSHA: 1000 ppm TWA; 2950 mg/m3 TWA
Belgium - TWA: 600 ppm VLE; 1796 mg/m3 VLE
Belgium - STEL: 750 ppm VLE; 2242 mg/m3 VLE
France - VME: 600 ppm VME; 1800 mg/m3 VME
Germany: 1000 ppm TWA; 3000 mg/m3 TWA
Japan: 300 ppm OEL; 880 mg/m3 OEL
Netherlands: 600 ppm MAC; 1800 mg/m3 MAC
Russia: 300 mg/m3 TWA
Spain: 1000 ppm VLA-ED (all isomers); 3000 mg/m3 VLA-ED (all isom
Personal Protective Equipment
Eyes:
Wear chemical splash goggles.
Skin:
Wear appropriate gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
Follow the OSHA respirator regulations found in 29
CFR 1910.134 or European Standard EN 149. Use a
NIOSH/MSHA or European Standard EN 149 approved
respirator if exposure limits are exceeded or if
irritation or other symptoms are experienced.
**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****
Physical State: Liquid
Color: clear, colorless
Odor: mild odor - gasoline-like - pleasant odor
pH: Not applicable.
Vapor Pressure: 514 mm Hg @ 25 deg C
Viscosity: 0.43 at 32F.
Boiling Point: 36 deg C
Freezing/Melting Point: -130 deg C
Autoignition Temperature: 260 deg C ( 500.00 deg F)
Flash Point: -49 deg C ( -56.20 deg F)
Explosion Limits, lower: 1.5
Explosion Limits, upper: 7.8
Decomposition Temperature: Not available.
Solubility in water: Negligible (0.04% at 20C).
Specific Gravity/Density: 0.62
Molecular Formula: C5H12
Molecular Weight: 72.15
**** SECTION 10 - STABILITY AND REACTIVITY ****
Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Ignition sources, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.
**** SECTION 11 - TOXICOLOGICAL INFORMATION ****
RTECS#:
CAS# 109-66-0: RZ9450000
LD50/LC50:
CAS# 109-66-0: Inhalation, rat: LC50 = 364 gm/m3/4H; Oral, rat: LD50
= >2000 mg/kg.
Carcinogenicity:
n-Pentane -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
**** SECTION 12 - ECOLOGICAL INFORMATION ****
Ecotoxicity:
Fish: Rainbow trout: LC50 = 9.87 mg/L; 96 Hr.; UnspecifiedFish:
Fathead Minnow: LC50 = 11.59 mg/L; 96 Hr.; UnspecifiedFish:
Bluegill/Sunfish: LC50 = 9.99 mg/L; 96 Hr.; UnspecifiedWater flea
Daphnia: LC50 = 9.7 mg/L; 48 Hr.; Unspecified
**** SECTION 13 - DISPOSAL CONSIDERATIONS ****
Products which are considered hazardous for supply are classified as Special
Waste and the disposal of such chemicals is covered by regulations which may
vary according to location. Contact a specialist disposal company or the local
waste regulator for advice. Empty containers must be decontaminated before
returning for recycling.
**** SECTION 14 - TRANSPORT INFORMATION ****
IATA
Shipping Name: Petroleum distillates, n.o.s
Hazard Class: 3
UN Number: 1268
Packing Group: I
IMO
Shipping Name: PETROLEUM DISTILLATES, N.O.S
Hazard Class: 3
UN Number: 1268
Packing Group: I
RID/ADR
Shipping Name: PETROLEUM DISTILLATES, N.O.S.
Hazard Class: 3
UN Number: 1268
Packing group: II
**** SECTION 15 - REGULATORY INFORMATION ****
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN F+ N
Risk Phrases:
R 12 Extremely flammable.
R 51/53 Toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
R 65 Harmful: may cause lung damage if swallowed.
R 66 Repeated exposure may cause skin dryness or
cracking.
R 67 Vapours may cause drowsiness and dizziness.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 29 Do not empty into drains.
S 33 Take precautionary measures against static
discharges.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
S 62 If swallowed, do not induce vomiting: seek
medical advice immediately and show this container or
label.
WGK (Water Danger/Protection)
CAS# 109-66-0: 1
Canada
CAS# 109-66-0 is listed on Canada's DSL List.
CAS# 109-66-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 109-66-0 is listed on the TSCA inventory.
**** SECTION 16 - ADDITIONAL INFORMATION ****
MSDS Creation Date: 12/12/1997 Revision #7 Date: 12/18/2002
The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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