PRAXAIR INC -- HELIUM  -- 6830-01-008-3431
<pre>=====================  Product Identification  =====================

Product ID:HELIUM
MSDS Date:12/01/1992
FSC:6830
NIIN:01-008-3431
=== Responsible Party ===
Company Name:PRAXAIR INC
Address:39 OLD RIDGEBURY RD
City:DANBURY
State:CT
ZIP:06810-5113
Country:US
Info Phone Num:800-772-9247
Emergency Phone Num:800-772-9247
CAGE:0LV01
=== Contractor Identification ===
Company Name:PRAXAIR, INC.
Address:39 OLD RIDGEBURY RD
Box:City:DANBURY
State:CT
ZIP:06810-5113
Country:US
Phone:800-772-9247; 800-PRAXAIR
CAGE:0LV01

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

Ingred Name:HELIUM
CAS:7440-59-7
RTECS #:MH6520000
Fraction by Wt: 100%
ACGIH TLV:SIMPLE ASPHYXIANT

=====================  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: ASPHYXIANT. CAN CAUSE
    RAPID SUFFOCATION/DEATH DUE TO OXYGEN DEFICIENCY.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HEADACHE, DROWSINESS, DIZZINESS, EXCITATION,
    EXCESS SALIVATION, VOMITING, UNCONSCIOUSNESS.

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

First Aid:SKIN: WASH W/SOAP & WATER. INHALATION: REMOVE TO FRESH AIR.
    GIVE CPR/OXYGEN IF NEEDED. EYES: FLUSH W/WATER. OBTAIN MEDICAL
    ATTENTION IN ALL CASES. NOTE TO PHYSICIAN: NO SPECIFIC ANTIDOTE.
    PRODUCT IS I NERT. TREATMENT OF OVEREXPOSSURE SHOULDBE DIRECTED AT
    CONTROL OF SYMPTOMS & CLINICAL CONDITION.

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

Extinguishing Media:USE MEDIA APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.
    IMMEDIATELY DELUGE CONTAINERS W/WATER SPRAY FROM MAXIMUM DISTANCE
    UNTIL COOL, THEN SAFELY REMOVE CONTAINERS FROM AREA.
Unusual Fire/Explosion Hazard:CONTAINER MAY RUPTURE DUE TO HEAT OF
    FIRE.

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

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AREA. WEAR SCBA
    WHERE NEEDED. SAFELY SHUT OFF LEAK. VENTILATE AREA & MOVE LEAKING
    ASSEMBLY TO WELL VENTILATED AREA. TEST AREA/CONFINED AREAS FOR
    SUFFICIENT OXYGEN CONTENT P RIOR TO PERMITTING REENTRY TO AREA.

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

Handling and Storage Precautions:STORE & USE W/ADEQUATE VENTILATION.
    CLOSE VALVE WHEN NOT IN USE & WHEN EMPTY.
Other Precautions:DON'T GROUND CYLINDER/ALLOW TO BECOME PART OF AN
    ELECTRICAL CIRCUIT. DON'T STRIKE ARC ON CYLINDER. USE PIPING &
    EQUIPMENT ADEQUATELY DESIGNED TO WITHSTAND PRESSURES TO BE
    ENCOUNTERED. NEVER WORK ON A  PRESSURIZED SYSTEM. (SEE SUPP)

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

Respiratory Protection:WEAR AIR PURIFYING/AIR SUPPLIED RESPIRATOR WHERE
    LOCAL &/GENERAL EXHAUST VENTILATION ISN'T ADEQUATE TO KEEP WORKER
    EXPOSURE BELOW APPLICABLE TLV'S DURING WELDING W/THIS PRODUCT. AIR
    SUPPLIED RESPIRATO R REQUIRED IF WORKING IN CONFINED AREAS.
Ventilation:LOCAL/GENERAL EXHAUST TO MAINTAIN CONCENTRATION OF
    HAZARDOUS FUMES & GASES <APPLICABLE TLV'S IN WORKER'S BREATHING
    ZONE.
Protective Gloves:PREFERRED FOR CYLINDER HANDLING
Eye Protection:RECOMMENDED
Other Protective Equipment:METATARSAL SHOES FOR CYLINDER HANDLING
Supplemental Safety and Health
OTHER PRECAUTIONS CONT'D: IF THERE IS A LEAK, CLOSE CYLINDER VALVE,
    BLOW DOWN SYSTEM BY VENTING TO A SAFE PLACE, THEN REPAIR LEAK. WHEN
    TWO/MORE GASES/LIQUEFIED GASES ARE MIXED, THEIR HAZARDOUS PROPER
    TIES MAY COMBINE TO CREATE ADDITIONAL UNEXPECTED HAZARDS.
    OBTAIN/EVALUATE SAFETY INFORMATION FOR EACH PRIOR TO MIXING.

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

Boiling Pt:B.P. Text:-452F
Melt/Freeze Pt:M.P/F.P Text:-457.6F
Vapor Pres:GAS
Vapor Density:0.138
Spec Gravity:GAS
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS GAS AT NORMAL TEMP & PRESSURE W/NO ODOR.
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
Stability Condition to Avoid:FIRE, TEMPS >125F, ARC
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE. DISPOSE OF ANY
    PRODUCT/RESIDUE/DISPOSABLE CONTAINER/LINER IN AN ENVIRONMENTALLY
    ACCEPTABLE MANNER IAW/FEDERAL, STATE & LOCAL REGULATIONS.

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