NATIONAL WELDERS SUPPLY CO INC -- HELIUM  -- 6830-00-660-0026
<pre>=====================  Product Identification  =====================

Product ID:HELIUM
MSDS Date:11/25/1985
FSC:6830
NIIN:00-660-0026
=== Responsible Party ===
Company Name:NATIONAL WELDERS SUPPLY CO INC
Address:810 GESCO
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
Info Phone Num:704-333-5475(X308)/FAX 344-1711
Emergency Phone Num:800-866-4422/800-424-9300(CHEMTREC)
CAGE:18264
=== Contractor Identification ===
Company Name:NATIONAL WELDERS SUPPLY CO INC
Address:810 GESCO ST
Box:31007
City:CHARLOTTE
State:NC
ZIP:28231
Country:US
Phone:704-333-5475
CAGE:18264

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

Ingred Name:HELIUM
CAS:7440-59-7
RTECS #:MH6520000

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

Health Hazards Acute and Chronic:EFFECTS OF EXPOSURE TO HIGH
    CONCENTRATIONS SO AS TO DISPLACE THE OXYGEN IN THE AIR NECESSARY
    FOR LIFE ARE HEADACHE, DIZZINESS, LABORED BREATHING AND EVENTUAL
    UNCONSCIOUSNESS. BREATHING MIXTURES OF HEL IUM WITH ADEQUATE OXYGEN
    TO SUPPORT LIFE MODIFIES THE VOICE SOUND SO THAT IT IS HIGHER
    "PITCHED".

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

First Aid:PROMPT MEDICAL ATTENTION MANDATORY IN ALL CASES OF
    OVEREXPOSURE TO HELIUM. RESCUE PERSONNEL SHOULD BE EQUIPPED WITH
    SELF-CONTAINED BREATHING APPARATUS. INHALATION: REMOVE TO
    UNCONTAMINATED AREA AND IN HALE FRESH AIR. QUICK REMOVAL FROM THE
    CONTAMINATED AREA IS MOST IMPORTANT. GIVE MOUTH-TO-MOUTH
    RESUSCITATION & SUPPLEMENTAL OXYGEN TO UNCONSCIOUS PERSON. FURTHER
    TREATMENT SYMPTOMATIC & SUPPORTIVE.

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

Extinguishing Media:NONFLAMMABLE, INERT GAS

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

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
    APPROPRIATE PROTECTIVE EQUIPMENT. IF LEAK IS IN CONTAINER OR
    CONTAINER VALVE, CONTACT YOUR CLOSEST SUPPLIER  LOCATION OR CALL
    THE EMERGENCY TELEPHONE NUM BER LISTED HEREIN.

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

Handling and Storage Precautions:*YOUR CLOSEST SUPPLIER LOCATION OR
    CALL THE EMERGENCY TELEPHONE NUMBER LISTED HEREIN.

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

Supplemental Safety and Health
HELIUM IS A SIMPLE ASPHYXIANT. OXYGEN LEVELS WOULD BE MAINTAINED AT
    GREATER THAN 18 MOLAR PERCENT AT NORMAL ATMOSPHERIC PRESS WHICH IS
    EQUIVALENT TO PARTIAL PRESS OF 135 MMHG(ACGIH, 1985-86). HELIUM I S
    NONTOXIC. LIBERATION OF A LARGE AMT IN A CONFINED AREA COULD
    DISPLACE OXYGEN AMOUNT IN AIR NECESSARY TO SUPPORT LIFE.

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

HCC:G3
Boiling Pt:B.P. Text:-452F,-269C
Melt/Freeze Pt:M.P/F.P Text:-457F,-272C
Decomp Temp:Decomp Text:*LB/FT3
Vapor Pres:-450.3F
Vapor Density:.0103 *
Spec Gravity:.138 @ 70 F
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS; ODORLESS GAS

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

Stability Indicator/Materials to Avoid:YES

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

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF WASTE OR UNUSED
    QUANTITIES. RETURN IN THE SHIPPING CONTAINER PROPERLY LABELED, WITH
    ANY VALVE OUTLET PLUGS OR CAPS SECURED AND VALVE PROTECTION CAP IN
    PLACE TO YOUR SUPPLI ER. FOR EMERGENCY DISPOSAL ASSISTANCE, CONTACT
    *

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 of Defense.  The United States of America in no manner whatsoever,
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 disclaims all liability for its use.  Any person utilizing this
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