MATERIAL SAFETY DATA SHEET ISSUED: 10/23/97
PROPYLENE REVISED: 11/01/99
SECTION I - PRODUCT IDENTIFICATION
Westlake CA&O Telephone No.: (270) 395-4151
2468 Industrial Parkway Transportation Emergency No.:
P O Box 527 CHEMTREC: (800) 424-9300
Calvert City, KY 42029 Medical Emergency No.:
POISON CENTER: (216) 379-8562
Chemical Family: Olefin
Chemical Name/Synonyms: Propene, Methylethylene
Trade Mark: None
Formula: CH2CHCH3
C.A.S. Registry No.: 115-07-1
TSCA Inventory Status: All ingredients are listed on the USEPA's TSCA inventory
Canadian Domestic Substances List Status: All ingredients have been nominated or are
eligible for inclusion
Workplace Hazardous Materials Information System (WHMIS) Classification: B2, D2B
Product Use: Chemical Manufacture
SARA 313 Information: This product contains a toxic chemical or chemicals subject to the
reporting requirements of section 313 of Title III of the Superfund
Amendments and Reauthorization Act of 1986 and 40 CFR part 372.
SECTION II - HAZARDOUS INGREDIENTS
Hazard Summary Statement: CAUTION! Material is an asphyxiant. Insure the
product does not displace ambient air for work area. WARNING! FLAMMABLE GAS.
C.A.S. Amount ACGIH OSHA
Material Number in Product TLV-TWA PEL-TWA
Propane 2,4,6 74-98-6 < 3% Simple 1,000 ppm
Asphyxiant
Propylene 1,2,4,6 115-07-1 < 97% Simple N.E.
Asphyxiant
N.A. - Not Applicable N.E. - Not Established
Legislative Footnotes
1
Ingredient listed on SARA Section 313 List of Toxic Chemicals.
2
Ingredient listed on the Pennsylvania Hazardous Substances List.
3
Ingredient listed on the California listing of Chemicals Known to the State to Cause Cancer
or Reproductive Toxicity.
4
Ingredient listed on the Massachusetts Substance List.
5
Workplace Hazardous Materials Information System ingredient found on the Ingredient
Disclosure List - Canada.
6
Ingredient listed on the New Jersey Right to Know Hazardous Substance List.
Notes:
TLV-TWA - Threshold Limit Value - Time Weighted Average guideline for concentration of
the chemical substance in the ambient workplace air. American Conference of
Governmental Industrial Hygienists (ACGIH).
OSHA PEL - OSHA Permissible Exposure Limit, 8-hour TWA. 29 CFR 1910.1000,
Transitional Limits column, Table Z-1-A, Table Z-2 and Table Z-3.
SECTION III - PHYSICAL DATA
Appearance: Colorless Gas Density: 4.34 #/gal liquid @ 15.6癈 (60癋)
(Liquid under pressure) pH: N.A.
Odor: Mild Olefin Melting Point: -185癈 (-300癋)
Percent Volatiles: 100% Vapor Pressure: 10 atm @ 20癈 (68癋)
Solubility in Water: Slight Vapor Density: 1.4 (air=1)
Physical State: Gas Molecular Weight: 42.08
(Liquid under pressure)
SECTION IV - FIRE & EXPLOSION HAZARD DATA
Flash Point: -108癈 (-162癋)
Lower Explosive Limit (LEL): 2.0%
Upper Explosive Limit (UEL): 11.1%
Self-Ignition Temperature: 480癈 (896癋)
Notes:
(MSDS - Propylene) Page 2 of 7
Flash Point - The lowest initial temperature of air passing around the specimen at which
sufficient combustible gas is evolved to be ignited by a small external pilot flame.
Self-Ignition Temperature - The lowest initial temperature of air passing around the specimen
at which, in absence of an ignition source, ignition occurs of itself, as indicated by an
explosion, flame or sustained glow.
Extinguishing Media: Use ABC dry chemical and halons.
Special Firefighting Procedures: Firefighters should wear a self-contained breathing
apparatus (SCBA) under positive pressure and full protective gear to prevent all body contact.
Stopping the flow of gas rather than extinguishing the fire is usually the best procedure to
follow when escaping gas is burning. It may be dangerous to extinguish the flame and allow
the gas to continue to flow as an explosive mixture may be formed with air which, if ignited,
may cause far greater damage than if the original fire had been permitted to burn.
Extinguishing the flame by dry chemical may be desirable where necessary to permit
immediate access to shut off the supply.
Unusual Fire and Explosion Hazards: Vapors are heavier than air and may travel along the
ground or may be moved by ventilation and ignited by flame, sparks, heaters or other ignition
sources at distant locations. Vapors may explode if ignited in a closed area. Containers may
explode in a fire.
SECTION V - REACTIVITY
Stability: Stable Hazardous Polymerization: Will not occur.
Hazardous Decomposition Products: Carbon monoxide, carbon dioxide and small amounts
of aromatic and aliphatic hydrocarbons.
Incompatibility (Materials to Avoid): Reacts vigorously with oxidizing agents. With nitrogen
dioxide, extremely unstable nitrogen compounds are formed.
SECTION VI - HEALTH HAZARD DATA
Threshold Limit Value: Simple Asphyxiant.
Permissible Exposure Limit: None Established.
Primary Routes of Exposure: Inhalation.
Effects of Overexposure: Causes asphyxiation through displacement of atmospheric oxygen.
Contact with liquid propylene can cause freezing effect on contacted tissue (frostbite).
Hazardous ingredient specific medical data (if ingredient found in "pure" form):
(MSDS - Propylene) Page 3 of 7
Propylene is primarily a simply asphyxiant without other significant physiological effects. The
limiting factor is the available oxygen. Minimal oxygen content should be maintained at
19.5% by volume under normal atmospheric pressure. Atmospheres deficient in oxygen do
not provide adequate warning. Lack of oxygen can cause dizziness, deep breathing
(shortness of breath), possible nausea, unconsciousness or death. Although propylene was
not carcinogenic in lifetime studies with rats and mice, animal studies indicate that propylene
is metabolized to propylene oxide, an animal carcinogen. IARC classifies propylene in Group
3, not classifiable as to its carcinogenicity to humans. When compressed to liquid form,
propylene can cause skin burns from freezing effects on tissue by rapid evaporation.
Propane is also a simple asphyxiant. See the above information on minimum oxygen and
effects resulting from oxygen deficits.
Emergency and First Aid Procedures:
Inhalation: Remove affected individual to fresh air while insuring the rescuers utilize
appropriate protective equipment. If breathing is difficult, administer oxygen. If breathing has
ceased, administer artificial respiration. If no pulse is found administer cardiopulmonary
resuscitation immediately. Obtain medical attention immediately.
Eye Contact: Immediately flush eyes with lukewarm water for at least 15 minutes while lifting
upper and lower eyelids. Continue to flush the eyes if there is any indication of residual
chemical. Seek medical attention immediately.
Skin Contact: For exposure to liquid, warm frostbite area gently with room temperature water.
Seek medical attention.
SECTION VII - SPILL & LEAK PROCEDURE
Steps to be taken in case material is released or spilled: Issue warning: Extreme fire and
explosion danger. Eliminate all ignition sources. Shut off leak if safe to do so. Wear
NIOSH/MSHA approved self-contained breathing apparatus (SCBA) to avoid an oxygen
depleted atmosphere. All unnecessary personnel and persons without suitable respiratory
protection must be escorted from the spill or release area. Do not flush chemical into a sewer
or water system. Isolate the hazard area (be prepared to evacuate unnecessary people at
least 2,000 feet if there is danger of exploding containers. Ventilate enclosed area. Use
explosion-proof fans to increase ventilation and to keep gas concentrations below explosive
limits.
Notify the Coast Guard and pollution authorities if the spill will enter navigable waters.
Waste disposal method: HAZARDOUS WASTE (EPA Hazardous Waste Number: D001
(Flammable Liquid)). Incinerate under controlled conditions.
SECTION VIII - SPECIAL PROTECTION INFORMATION
(MSDS - Propylene) Page 4 of 7
Ventilation: Use under well-ventilated conditions. Exhaust ventilation should be used at any
operation capable of releasing vapors. Maintain oxygen level above 19.5%. Confined
spaces where an oxygen deficient atmosphere may exist should be checked for oxygen
content before entry.
Respiratory Protection: Wear a NIOSH/MSHA-approved airline or air-supplied respirator
when oxygen levels drop below 19.5%. Use in accordance with manufacturer's use
limitations and OSHA Standard 1910.134 (29 CFR).
Eye Protection: Chemical goggles with face shield.
Protective Equipment: Wear protective gloves and clothing as needed to prevent contact with
liquefied propylene.
SECTION IX - SPECIAL PRECAUTIONS
Material Handling: Do not breathe vapors. Use under well-ventilated conditions. Utilize good
personal hygiene practices, e.g. thoroughly washing after handling the product. Keep product
away from heat, sparks, and open flames. Avoid skin, eye and clothing contact.
Storage: Keep container closed when not in use. Do not reuse container for any purpose
until commercially cleaned. Do not store in open, unlabeled or mislabeled containers. All
wiring and electrical equipment should be Class 1, Group D. Outdoor or separate storage is
preferred.
SECTION X - HAZARD CODES
NFPA 704 (1997) HMIS
(National Fire Protection Association) (Hazardous Materials Identification System)
Health: 1 Health: 1
Flammability: 4 Flammability: 4
Reactivity: 1 Reactivity: 1
X*
Special: Personal Protection:
Key:
0 = Insignificant * See MSDS for specific requirements
1 = Slight
2 = Moderate
3 = High
4 = Extreme
User's Responsibility
This bulletin cannot cover all possible situations which the user may experience during
processing. Each aspect of the user's operation should be examined to determine if, or
(MSDS - Propylene) Page 5 of 7
where, additional precautions may be necessary. All health and safety information contained
within this bulletin should be provided to the user's employees or customers. Westlake
CA&O Corporation must rely upon the user to utilize this information to develop appropriate
work practice guidelines and employee instructional programs for his or her operation.
Disclaimer of Liability
As the conditions or methods of use are beyond our control, we do not assume any
responsibility and expressly disclaims any liability for any use of this material. Information
contained herein is believed to be true and accurate but all statements or suggestions are
made without warranty, expressed or implied, regarding the accuracy of the information, the
hazards connected with the use of the material or the results to be obtained from the use
thereof. Compliance with all applicable federal, state and local laws and regulations remains
the responsibility of the user.
(MSDS - Propylene) Page 6 of 7
SHIPPING INFORMATION
IDENTIFICATION - DOMESTIC TRANSPORTATION
Proper Shipping Name (172.101(c)): Propylene
(Technical Name(s)) 172.203(k): N/A
Hazard Class 172.101(d): 2.1
UN/NA# 172.101(e): UN 1077
Haz. Substance 171.8: N/A Reportable Quantity: N/A
Inhalation Hazard 172.2a(b): N/A
Package Code 172.101(f): N/A Placarded: FLAMMABLE GAS
PACKAGING (Part 173)
Packaging Section (172.101(i)) - Col. 8(A): 173.306, Col. 8(B): 173.304, Col. 8(C): 173.314, 173.315
General Packaging Section - General 173.24 Hazard Class: FLAMMABLE GAS
MARKING
A. Proper Shipping Name 172.301(a):
(Technical Names(s)) 172.301(b):
B. UN/NA Number 172.301(a):
C. Name and Address 172.301(d):
D. THIS END UP 172.312(a):
E. Haz. Substance RQ (Name) 172.324:
ORM Designation 172.316(a):
Inhalation Hazard 172.313(a):
DOMESTIC LABELING
1. HMT Labels 172.400:
2. Additional Subsidiary Hazard 172.402(a):
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IATA 1997 Edition
Proper Shipping Name (Col. B): Propylene
Class/Division (Col. C): 2.1 Subsidiary Risk (Col. D): N/A
UN/ID# (Col. A): UN 1077
U.S. Haz. Substance (US 1): N/A Other Inhalation Haz. (US 34): N/A
Carrier Special Provisions (Col. K): A1
PACKAGING
Max. Qty. Per Pkg. (Cols. H/J) - Passenger: Forbidden Cargo: 150 Kg
Packaging Instructions (Cols. G/I) - Passenger: Forbidden Cargo: 200
(MSDS - Propylene) Page 7 of 7
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