PRAXAIR, INC -- ARGON  -- 6830-00-782-2637
<pre>=====================  Product Identification  =====================

Product ID:ARGON
MSDS Date:12/01/1992
FSC:6830
NIIN:00-782-2637
=== Responsible Party ===
Company Name:PRAXAIR, INC
Address:39 OLD RIDGEBURY ROAD
City:DANBURY
State:CT
ZIP:06810-5113
Country:US
CAGE:PRAXA
=== Contractor Identification ===
Company Name:PRAXAIR, INC
Address:39 OLD RIDGEBURY ROAD
Box:City:DANBURY
State:CT
ZIP:06810-5113
Country:US
CAGE:PRAXA
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:ARGON
CAS:7440-37-1
RTECS #:CF2300000
Fraction by Wt: 100% %
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9394

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

LD50 LC50 Mixture:TLV 0.5 MG/M3 (WELDING FUMES)
Routes of Entry: Inhalation:YES  Skin:NO  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:ASPHYXIANT. MODERATE CONCENTRATIONS
    MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS, EXCITATION, EXCESS
    SALIVATION, VOMITING AND UNCONSCIOUSNESS. NOTE: THERE ARE
    ADDITIONAL HEALTH HAZARDS WHEN PRODUCT IS US ED IN WELDING AND
    CUTTING.
Explanation of Carcinogenicity:THIS PRODUCT IS NOT LISTED BY IARC, NTP
    OR OSHA AS A CARCINOGEN, MUTAGEN, TERATOGEN OR NEUROTOXIN.
Effects of Overexposure:HEADACHE, DROWSINESS, DIZZINESS, EXCITATION,
    EXCESS SALIVATION, VOMITING AND UNCONSCIOUSNESS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

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

First Aid:SKIN: FLUSH WITH WATER. EYES: FLUSH WITH WATER. INHALATION:
    REMOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF NOT BREATHING.
    GIVE OXYGEN IF BREATHING IS DIFFICULT. CALL A PHYSICIAN. NOTE TO
    PHYSICIA N: THIS PRODUCT IS INERT. THERE IS NO SPECIFIC ANTIDOTE.
    TREATMENT OF OVEREXPOSURE SHOULD BE DIRECTED AT THE CONTROL OF
    SYMPTOMS AND THE CLINICAL CONDITION.

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

Flash Point:NONFLAMMABLE
Lower Limits:NOT GIVEN
Upper Limits:NOT GIVEN
Extinguishing Media:NONFLAMMABLE. USE MEDIA SUITABLE FOR SURROUNDING
    FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.
    IMMEDIATELY COOL CONTAINERS WITH WATER SPRAY FROM SAFE DISTANCE.
    SHUT OFF LEAK IF POSSIBLE.
Unusual Fire/Explosion Hazard:CONTAINER MAY RUPTURE DUE TO HEAT OF
    FIRE. NO PART OF CONTAINER SHOULD BE SUBJECTED TO TEMPERATURE
    HIGHER THAN 125F.

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

Spill Release Procedures:ARGON IS AN ASPHYXIANT. EVACUATE ALL PERSONNEL
    FROM DANGER AREA. USE SELF CONTAINED BREATHING APPARATUS WHERE
    NEEDED. SHUT OFF CYLINDER IF WITHOUT RISK. VENTILATE AREA OF LEAK
    OR MOVE CYLINDER TO WELL  VENTILATED AREA.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:CLOSE VALVE WHEN NOT IN USE AND WHEN
    EMPTY. USE WITH EQUIPMENT RATED TO ADEQUATELY WITHSTAND PRESSURES
    TO BE ENCOUNTERED.
Other Precautions:DO NOT GROUND CYLINDER. DO NOT STRIKE ARC ON
    CYLINDER.

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

Respiratory Protection:IF VENTILATION DOES NOT MAINTAIN INHALATION
    EXOSURES BELOW PEL (TLV), USE NIOSH/MSHA APPROVED RESPIRATOR AS PER
    CURRENT 29 CFR 1910.134, INSTRUCTIONS/WARNINGS AND NIOSH RESPIRATOR
    SELECTION.
Ventilation:USE LOCAL EXHAUST SYSTEM, IF NECESSARY TO MAINTAIN
    CONCENTRATION OF HAZARDOUS FUMES AND GASES BELOW APPLICABLE TLV'S.
Protective Gloves:WELDING GLOVES
Eye Protection:HELMET OR FACE SHIELD WITH FILTER LENS
Other Protective Equipment:AS NEEDED, WEAR HAND, HEAD AND BODY
    PROTECTION WHICH HELP TO PREVENT INJURY FROM RADIATION, SPARKS AND
    ELECTRICAL SHOCK.
Work Hygienic Practices:WASH WITH SOAP AND WATER AFTER HANDLING PRODUCT
    AND BEFORE EATING DRINKING OR SMOKING.
Supplemental Safety and Health
TRAIN WORKER NOT TO TOUCH LIVE ELECTRICAL PARTS.

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

HCC:G3
Boiling Pt:B.P. Text:-303F,-186C
Melt/Freeze Pt:M.P/F.P Text:-309F,-189C
Vapor Pres:GAS
Vapor Density:1.378
Spec Gravity:GAS
Evaporation Rate &amp; Reference:NOT GIVEN
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
    PRESSURE
Percent Volatiles by Volume:100 %

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

Stability Indicator/Materials to Avoid:YES
NONE SPECIFIED BY MANUFACTURER.
Stability Condition to Avoid:DO NOT STRIKE ARC ON CYLINDER. DO NOT
    GROUND CYLINDER
Hazardous Decomposition Products:OZONE AND NITROGEN OXIDES MAY BE
    FORMED BY RADIATION FROM THE ARC.

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

Waste Disposal Methods:DISCARD ANY PRODUCT, RESIDUE, DISPOSAL CONTAINER
    OR LINER IN ACCORDANCE WITH ALL FEDERAL, STATE AND LOCAL
    REGULATIONS.

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 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
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 particular situation.