DIAMOND SHAMROCK REFINING & MARKETING CO -- PROPANE  -- 6830-00F055171
<pre>=====================  Product Identification  =====================

Product ID:PROPANE
MSDS Date:10/25/1996
FSC:6830
NIIN:00F055171
=== Responsible Party ===
Company Name:DIAMOND SHAMROCK REFINING & MARKETING CO
Address:9830 COLONNADE BLVD
Box:696000
City:SAN ANTONIO
State:TX
ZIP:78269-6000
Country:US
Info Phone Num:210-641-8601
Emergency Phone Num:210-641-8601
CAGE:3P045
=== Contractor Identification ===
Company Name:DIAMOND SHAMROCK REFINING AND MARKETING CO
Address:9830 COLONNADE BLVD
Box:696000
City:SAN ANTONIO
State:TX
ZIP:78269-6000
Country:US
Phone:210-641-8601
CAGE:3P045

=============  Composition/Information on Ingredients  =============

Ingred Name:PROPANE (DIMETHYLMETHANE)	*97-4*
CAS:74-98-6
RTECS #:TX2275000
Fraction by Wt: 90-95%
Other REC Limits:1800 MG/CUM
OSHA PEL:1000 PPM
ACGIH TLV:SIMPLE ASPHYXIANT

Ingred Name:ETHANE
CAS:74-84-0
RTECS #:KH3800000
Fraction by Wt: <5%
ACGIH TLV:SIMPLE ASPHYXIANT

Ingred Name:PROPYLENE
CAS:115-07-1
RTECS #:UC6740000
Fraction by Wt: <1.5%
ACGIH TLV:SIMPLE ASPHYXIANT

Ingred Name:ISOBUTANE, 2-METHYLPROPANE
CAS:75-28-5
RTECS #:TZ4300000
Fraction by Wt: <1%
Other REC Limits:1000 PPM
OSHA PEL:1800 MG/CUM
ACGIH TLV:1000 PPM

=====================  Hazards Identification  =====================

Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHALATION: CAN CAUSE CNS DEPRESSION &
    POSSIBLE ASPHYXIATION, MAY IRRITATE THE RESPIRATORY TRACT. SKIN:
    CAN CAUSE COLD BURNS/FROST BITE. EYES: CAN PRODUCE COLD BURNS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:LOSS OF CONSCIOUSNESS, IRRITATION, COLD BURNS.

=======================  First Aid Measures  =======================

First Aid:SKIN: THAW FROZEN CLOTHING BEFORE REMOVAL. DON'T RUB FROZEN
    AREAS. COVER THE WOUNDS W/STERILE DRESSING ONLY. INHALATION: REMOVE
    TO FRESH AIR. IF BREATHING HAS STOPPED, RESUSITATE & GIVE OXYGEN IF
    AVAI LABLE. OBTAIN MEDICAL ATTENTION IN ALL CASES.

=====================  Fire Fighting Measures  =====================

Flash Point:-156F
Lower Limits:2.1
Upper Limits:9.5
Extinguishing Media:DRY CHEMICAL, CO2.
Fire Fighting Procedures:USE SCBA IN CONFINED AREAS. WATER SPRAY SHOULD
    BE USED TO COOL CONTAINERS & HELP DISPERSE VAPORS. SHUT OFF GAS
    SUPPLY. STOP LEAK BEFORE EXTINGUISHING.
Unusual Fire/Explosion Hazard:VAPOR IS > THAN AIR & MAY TRAVEL SOME
    DISTANCE TO SOURCE OF IGNITION & FLASH BACK. VAPOR MAY EXPLODE IF
    IGNITED IN AN ENCLOSED AREA. AUTOIGNITION TEMP: -850F.

==================  Accidental Release Measures  ==================

Spill Release Procedures:STOP LEAK BEFORE ATTEMPTING TO EXTINGUISH. IF
    A LEAK HASN'T IGNITED, WATER SPRAY MAY BE USED TO DISPERSE &
    PROTECT PERSONS TRYING TO STOP A LEAK. TRANSFER TO & FROM GROUNDED
    CONTAINERS. STEPS SHOULD B E TAKEN TO CONTAIN/CONTROL/STOP LOSS
    OFVOLATILE.

======================	Handling and Storage  ======================

Handling and Storage Precautions:PROTECT AGAINST PHYSICAL DAMAGE. STORE
    IN COOL, WELL VENTILATED AREA OF NON-COMBUSTIBLE CONSTRUCTION AWAY
    FROM POSSIBLE SOURCE OF IGNITION.
Other Precautions:SEPARATE FROM OXIDIZING MATERIALS.

=============  Exposure Controls/Personal Protection  =============

Respiratory Protection:WHERE ENGINEERING CONTROLS AREN'T FEASIBLE, USE
    POSITIVE PRESSURE SUPPLIED AIR RESPIRATORY PROTECTION.
Ventilation:USE ENGINEERING CONTROLS TO MINIMIZE RELEASE.
Protective Gloves:INSULATED
Eye Protection:FACE SHIELD(8-INCH MINIMUM)/GOGGLES
Other Protective Equipment:IMPERVIOUS CLOTHING, STANDARD WORK CLOTHING.
Supplemental Safety and Health

==================  Physical/Chemical Properties  ==================

Boiling Pt:B.P. Text:-43.6F
Melt/Freeze Pt:M.P/F.P Text:-305F
Vapor Pres:200-215
Vapor Density:1.6
Spec Gravity:0.5-0.51
Solubility in Water:TRACE
Appearance and Odor:COLORLESS GAS W/ODOR NOT DETECTABLE BELOW -500 PPM;
    NO ODORANT ADDED
Percent Volatiles by Volume:100

=================  Stability and Reactivity Data  =================

Stability Indicator/Materials to Avoid:YES
OXIDIZING MATERIALS.
Stability Condition to Avoid:SOURCES OF IGNITION, FLAMES, HOT SURFACES,
    ELECTRICAL/FRICTIONAL SPARKS.
Hazardous Decomposition Products:CO, CO2.
Conditions to Avoid Polymerization:UNDER HIGH TEMP & HIGH PRESSURE,
    IT'S POLYMERIZED TO POLYPROPYLENE.

====================  Disposal Considerations  ====================

Waste Disposal Methods:SHIPMENT/STORAGE/DISPOSAL OF WASTE MATERIALS ARE
    REGULATED IAW/FEDERAL, STATE & LOCAL REGULATIONS. FLAMMABLE GAS
    UN1075. WASTE PRODUCT & CONTAMINATED MATERIAL WILL BE CONSIDERED A
    HAZARDOUS WASTE IF F LASH POINT IS <140F.

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