PRAXAIR INC -- HELIUM  -- 6830-00-660-0026
<pre>=====================  Product Identification  =====================

Product ID:HELIUM
MSDS Date:10/01/1992
FSC:6830
NIIN:00-660-0026
=== Responsible Party ===
Company Name:PRAXAIR INC
Address:39 OLD RIDGEBURY RD
City:DANBURY
State:CT
ZIP:06810-5113
Country:US
Info Phone Num:203-794-5782
Emergency Phone Num:203-794-5782/800-424-9300(CHEMTREC)
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%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:NOT RELEVANT
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:TARGET ORGANS:LUNG, BRAIN. ACUTE-
    EYES/SKIN:NO EVIDENCE OF ADVERSE EFFECTS FROM AVAILABLE
    INFORMATION. INHALATION:ASPHYXIANT. MODERATE CONCENTRATIONS MAY
    CAUSE HEADACHE, DROWSINESS, DIZZINESS, EXCESS  SALIVATION, NAUSEA,
    VOMITING, UNCONSCIOUSNESS, DEATH. INGESTION:UNLIKELY. THIS PRODUCT
    IS A GAS. CHRONIC- NONE.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HEADACHE, DROWSINESS, DIZZINESS, EXCESS
    SALIVATION, NAUSEA, VOMITING, UNCONSCIOUSNESS, DEATH
Medical Cond Aggravated by Exposure:NONE EXPECTED

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

First Aid:GET MEDICAL HELP IF SYMPTOMS PERSIST. INHALED:REMOVE TO FRESH
    AIR. PROVIDE CPR/OXYGEN IF NEEDED. EYES:FLUSH WITH WATER. SKIN:WASH
    WITH SOAP & WATER. ORAL:UNLIKELY.

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

Extinguishing Media:USE WATER FOG, CARBON DIOXIDE, FOAM, OR DRY
    CHEMICAL FOR SURROUNDING FIRE. HELIUM CANNOT CATCH FIRE.
Fire Fighting Procedures:WEAR PROTECTIVE CLOTHING AND NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUS. COOL FIRE-EXPOSED CONTAINERS
    WITH WATER SPRAY. MOVE CONTAINERS AWAY FROM FIRE.
Unusual Fire/Explosion Hazard:CONTAINER MAY RUPTURE DUE TO HEAT OF
    FIRE. THIS GAS IS NON-FLAMMABLE.

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

Spill Release Procedures:WEAR RESPIRATORY PROTECTION. STOP LEAK IF
    POSSIBLE. VENTILATE AREA OR MOVE LEAKING CONTAINER OUTSIDE OR TO A
    WELL-VENTILATED PLACE. TEST AREA, ESPECIALLY CONFINED AREA, FOR
    SUFFICIENT OXYGEN CONTENT P RIOR TO PERMITTING RE-ENTERY OF
    PERSONNEL.
Neutralizing Agent:NOT RELEVANT

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

Handling and Storage Precautions:STORE IN COOL, DRY AREA BELOW 125F
    (52C). KEEP OUT OF REACH OF CHILDREN.
Other Precautions:NEVER WORK ON A PRESSURIZED SYSTEM. READ AND
    UNDERSTAND THE MANUFACTURER'S INSTRUCTIONS.

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

Respiratory Protection:IF ENGINEERING CONTROLS DO NOT MAINTAIN AIRBORNE
    CONCENTRATIONS TO AN ACCEPTABLE LEVEL, WEAR A NIOSH-APPROVED
    SELF-CONTAINED BREATHING APPARATUR OR AIR-SUPPLIED RESPIRATOR.
    ASSURE COMPLIANCE WITH OSHA  STANDARD 29 CFR 1910.134.
Ventilation:USE GENERAL OR LOCAL EXHAUST VENTILATION TO MEET TLV
    REQUIREMENTS.
Protective Gloves:LEATHER RECOMMENDED (HANDLING CYLINDERS)
Eye Protection:SAFETY GLASSES RECOMMENDED
Other Protective Equipment:SAFETY SHOES RECOMMENDED
Work Hygienic Practices:WASH HANDS THOROUGHLY BEFORE EATING OR
    DRINKING.
Supplemental Safety and Health

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

HCC:G3
NRC/State Lic Num:NOT RELEVANT
Boiling Pt:B.P. Text:-452F,-269C
Melt/Freeze Pt:M.P/F.P Text:-458F,-272C
Vapor Pres:GAS
Vapor Density:0.138
Spec Gravity:GAS
Viscosity:NOT RELEVANT
Evaporation Rate &amp; Reference:NOT RELEVANT (GAS)
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS GAS - ODORLESS
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
NONE. HELIUM IS CHEMICALLY INERT.
Stability Condition to Avoid:EXCESSIVE HEAT (TEMPERATURES ABOVE
    125F/52C)
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:SLOWLY RELEASE INTO THE ATOMOSPHERE. DISCARD ANY
    PRODUCT, RESIDUE, DISPOSABLE CONTAINER OR LINER IN AN
    ENVIRONMENTALLY ACCEPTABLE MANNER, IN FULL COMPLIANCE WITH LOCAL,
    STATE AND FEDERAL REGULATIONS.

 Disclaimer (provided with this information by the compiling agencies):
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 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.