BIG THREE INDUSTRIES INC -- NITROUS OXIDE  -- 6505-00-130-1940
<pre>=====================  Product Identification  =====================

Product ID:NITROUS OXIDE
MSDS Date:08/31/1989
FSC:6505
NIIN:00-130-1940
=== Responsible Party ===
Company Name:BIG THREE INDUSTRIES INC
Box:3047
City:HOUSTON
State:TX
ZIP:77253
Info Phone Num:(713) 868-0302
Emergency Phone Num:(713) 868-0302
CAGE:17688
=== Contractor Identification ===
Company Name:AIR LIQUIDE AMERICA CORPORATION
Address:2700 POST OAK DRIVE
Box:City:HOUSTON
State:TX
ZIP:77056-8229
Country:US
Phone:713-896-2896;800-231-1366
CAGE:17688

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

Ingred Name:NITROUS OXIDE
CAS:10024-97-2
RTECS #:QX1350000
= Wt:100.
Other REC Limits:50 PPM
ACGIH TLV:1050 MG/CUM

=====================  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: ASPHYXIATION, HYSTERIA,
    DIZZINESS, UNCONSCIOUSNESS, DEATH, ANAESTHETIC, CENTRAL NERVOUS
    SYSTEM, INTOXICATION. EYE: IF CONTACT W/CRYOGENIC LIQUID NITROUS
    OXIDE HAS CAUSED FROSTBITE. DON'T R UB THE AFFECTED AREA, AS TISSUE
    DAMAGE MAY OCCUR.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: CONTACT W/COLD LIQUID OR COLD VAPOR
    MAY CAUSE FROSTBITE. THESE HAZARDS INCLUDED INCIDENCES OF
    CONGENITAL ABNORMALITIES & SPONTANEOUS ABORTIONS.

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

First Aid:INHALATION: REMOVE INTO FRESH AIR. IF VICTIM ISN'T BREATHING,
    ADMINISTER ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT,
    ADMINISTER OXYGEN. EYES: FLUSH AFFECTED AREAS W/WARM WATER. DON'T
    USE HOT WA TER. OBTAIN MEDICAL ATTENTION IN ALL CASES.

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

Extinguishing Media:NONFLAMMABLE. SHUT OFF NITROUS OXIDE IF POSSIBLE.
    USE APPROPRIATE FIRE-EXTINGUISHING MEDIA FOR SURROUNDING FIRE.
Fire Fighting Procedures:IF POSSIBLE, REMOVE NITROUS OXIDE CYLINDERS
    FROM FIRE AREA OR COOL W/WATER TO AVOID EXCESSIVE PRESSURE BUILDUP.
    SCBA MAY BE REQUIRED FOR RESCUE WORKERS.
Unusual Fire/Explosion Hazard:PRESSURE CAN BUILD UP DUE TO HEAT &
    CYLINDER MAY EXPLODE IF PRESSURE RELIEF DEVICES SHOULD FAIL TO
    RELIEVE PRESSURE.

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

Spill Release Procedures:EVACUATE SPILL AREA. SHUT OFF SOURCE IF
    POSSIBLE.

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

Handling and Storage Precautions:STORE & USE W/ADEQUATE VENTILATION.
    DON'T STORE W/IN 20 FT OF FLAMMABLE OR COMBUSTIBLE MATERIALS. DON'T
    EXCEED TEMPS OF 125F. AVOID INHALATION OF GAS.
Other Precautions:PRESSURE REGULATORS SHOULD NEVER BE PLACED ON
    "SIPHON" OR "DIP TUBE" CYLINDERS THAT ARE DESIGNATED TO DISPENSE
    LIQUID. NEVER STRIKE A WELDING ARC ON ANY COMPRESSED GAS CYLINDER.
    NOX GAS IS >AIR/MAY TE ND TO COLLECT IN LOW AREAS.

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

Respiratory Protection:USE SELF-CONTAINED BREATHING APPARATUS OR
    POSITIVE PRESSURE AIR LINE W/MASK IN OXYGEN-DEFICIENT ATMOSPHERES.
    RESPIRATORS WILL NOT FUNCTION.
Ventilation:LOCAL EXHAUST/MECHANICAL: ADEQUATE TO AVOID LOWERING OXYGEN
    CONTENT TO <19.5%
Protective Gloves:THERMAL INSULATED OR LEATHER
Eye Protection:SAFETY GLASSES, FACESHIELD
Other Protective Equipment:LONG SLEEVE SHIRT, SAFETY SHOES
Supplemental Safety and Health

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

HCC:G4
Boiling Pt:=-88.4C, -127.2F
Vapor Pres:745 PSIG
Vapor Density:0.1146
Spec Gravity:1.529
Appearance and Odor:COLORLESS GAS W/A SLIGHTLY SWEETISH ODOR & TASTE.

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

Stability Indicator/Materials to Avoid:YES
NITROUS OXIDE MAY COMBINE EXPLOSIVELY W/OIL, GREASE, & OTHER
    COMBUSTIBLES.
Stability Condition to Avoid:ELEVATED TEMPERATURES
Hazardous Decomposition Products:NITROGEN & OXYGEN

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

Waste Disposal Methods:DON'T ATTEMPT TO DISPOSE OF RESIDUAL OR UNUSED
    QUANTITIES OF NITROUS OXIDE. FOR EMERGENCY DISPOSAL, SECURE
    CYLINDER & VENT SLOWLY TO THE ATMOSPHERE IN A WELL-VENTILATED AREA
    OR OUTDOORS AWAY FROM IGNI TION SOURCES.

 Disclaimer (provided with this information by the compiling agencies):
 This information is formulated for use by elements of the Department
 of Defense.  The United States of America in no manner whatsoever,
 expressly or implied, warrants this information to be accurate and
 disclaims all liability for its use.  Any person utilizing this
 document should seek competent professional advice to verify and
 assume responsibility for the suitability of this information to their
 particular situation.