U S AIRGAS INC. -- ARGON,COMPRESSED;ARGON,REFRIGERATED LIQUID  -- 6830-00-169-0779
<pre>=====================  Product Identification  =====================

Product ID:ARGON,COMPRESSED;ARGON,REFRIGERATED LIQUID
MSDS Date:01/01/1995
FSC:6830
NIIN:00-169-0779
=== Responsible Party ===
Company Name:U S AIRGAS INC.
Address:100 MATSONFORD ROAD SUITE 550
City:RADNOR
State:PA
ZIP:19087
Country:US
Info Phone Num:610-687-5253
Emergency Phone Num:800-424-9300(CHEMTREC)
Preparer's Name:NONE
CAGE:0MN39
=== Contractor Identification ===
Company Name:AIRGAS INC
Address:100 MATSONFORD RD SUITE 550
Box:City:WAYNE
State:PA
ZIP:19087
Country:US
Phone:215-687-5253
CAGE:0MN39

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

Ingred Name:ARGON
CAS:7440-37-1
RTECS #:CF2300000
Fraction by Wt: >99.9%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9596

Ingred Name:TOTAL NITROGEN AND OXYGEN
Fraction by Wt: <0.1%
Other REC Limits:NONE RECOMMENDED
ACGIH TLV:ASPHYXIANT; 9596

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

LD50 LC50 Mixture:NO DATA AVAILABLE.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:INHAL:SYMPTOMS OF ASPHYXIA.SKIN:NO
    ADVERSE EFFECTS FROM GAS.LIQ MAY CAUSE FROSTBITE
    W/REDNESS,TINGLING,PAIN/NUMBNESS.SEVERE CASE-SKIN BECOME
    HARD,WHITE,DEVELOP BLISTERS.EYE:NO ADVERSE EFFECTS FROM GAS .LIQ
    MAY CAUSE FROSTBITE W/REDNESS,PAIN,BLURR VISION.INGEST:UNLIKELY.LIQ
    INGEST FROSTBITE DMG TO LIPS/MOUTH/MUC MEMBRANE
Explanation of Carcinogenicity:PER MSDS:CARCINOGEN STATUS:NONE.
Effects of Overexposure:INHAL:UNCONSC,RAPID RESP/PULSE,AIR
    HUNGER,DIZZ,REDUCED AWARENESS,TIGHT IN HEAD,TINGLING
    SENS,INCOORD,FAULTY JUDGEMENT,EMOTIONAL INSTABILITY,RAPID
    FTG.NAU,VOMIT,COLLAPSE,UNCONSC,CONVUL,DEEP COMA,DEATH. 
    SKIN:FROSTBITE,RED,TINGLING,PAIN,NUMBNESS,HARD,WHITE,BLISTERS.EYE:F
    ROSTBITE,RED,PAIN,BLUR VISION.INGEST:FROSTBITE DMG.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
    TARGET EFFECTS:SIMPLE ASPHYXIANT.

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

First Aid:INHAL:REMOVE TO FRESH AIR IMMED.STOP BREATH GIVE ART
    RESP.ADMIN OXY IF AVAILABLE.TREAT SYMPT/SUPP.SKIN:GAS-UNLIKELY
    EMERG TREAT WILL BE REQUIRED.ADVERSE EFFECTS OCCUR GET MED
    ATTN.EYE:GAS-UNLIKELY EME RG TREATMENT WILL BE REQUIRED.CONTACT
    W/LIQ WASH W/LG AMTS OF WARM WATER APPROX 15-20MINS.INGEST:UNLIKELY
    EMERG TREAT WILL BE REQUIRED.ADVERSE EFFECTS OCCUR TREAT
    SYMTP/SUPP.IN ALL CASES GET MED (SUP)

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

Flash Point:NP
Lower Limits:NP
Upper Limits:NP
Extinguishing Media:DRY CHEMICAL,CARBON DIOXIDE,OR HALON.LG FIRES:USE
    WATERSPRAY, FOG, OR STD FOAM.
Fire Fighting Procedures:MOVE CNTNR FROM FIRE AREA IF POSSIBLE.STAY
    AWAY FROM STORAGE TK ENDS.COOL FIRE-EXPO CNTNR W/WATER FROM SIDE
    TIL WELL AFT FIRE OUT.W/D IMMED IF RISING SOUND(SUP)
Unusual Fire/Explosion Hazard:NEGLIGIBLE FIRE HAZARD WHEN EXPO TO
    HEAT/FLAME. CYLINDER MAY EXPLODE IN HEAT/FIRE.

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

Spill Release Procedures:STOP LEAK W/O RISK.KEEP UNNECESSARY PEOPLE
    AWAY;ISOLATE HAZ AREA/DENY ENTRY.VENTILATE CLOSED SPACES BEFORE
    ENTERING.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:OBSERVE ALL FED/STATE/LOC REGS WHEN
    STORING SUBSTANCE.FOR ASSISTANCE CONTACT DIST DIR OF EPA.STORE IAW
    29 CFR 1910.101.
Other Precautions:DO NOT PERMIST PHYSICAL DMG/OVERHEATING OF
    CNTNRS.CONTENTS UNDER PRESSURE;CNTNRS MAY VIOLENTLY RUPTURE &
    TRAVEL CONSIDERABLE DISTANCE.

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

Respiratory Protection:SPEC RESP SELECTED MUST BE BASED ON CONTMAIN
    LEVELS FOUND IN WORKPLACE,NOT EXCEED WORK LIMITS OR RESP,JOINTLY
    APPROVED BY NIOSH/MSHA.SUPP-AIR RESP IN PRESS DEMAND/+PRESS
    MODE;SCBA;SCBA W/FULL FCPIECE  IN PRESS DEMAND/+PRESS MODE;ETC.
Ventilation:PROVIDE GENERAL DILUTION VENTILATION.
Protective Gloves:FULL PROTECTIVE COLD INSULTATING GLOVES.
Eye Protection:NOT REQUIRED BUT RECOMMENDED.
Other Protective Equipment:GAS-PROTECTIVE CLOTH NOT REQUIRED.LIQ-WEAR
    APPROPRIATE CLOTH/EQPMT PREVENT SKIN FREEZING.LIQ-SPLASH-PROOF
    GOGG,FCSHIELD.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN.EYEWASH
    FOUNTIAN,QUICK DRENCH SHOWER W/IN IMMED WORKAREA FOR EMERG USE.
Supplemental Safety and Health
SPEC GRAVITY(LIQ):1.40@-186C. FIREFIGHT:FROM VENT SAF
    DEVICE/DISCOLORATION OF STORAGE TK DUE TO FIRE.USE AGENT SUITABLE
    FOR TYP OF FIRE.COOL CNTN W/FLOODING QUANT OF WATER.APPLY FROM AS
    FAR DISTANCE A S POSSIBLE.AVOID BREATH TOXIC VAP;KEEP UPWIND.STOP
    LEAK W/O RISK. 1STAID:ATTN.NO SPECIFIC ANTIDOTE.TREAT SYMPT/SUPP.

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

HCC:G3
Boiling Pt:B.P. Text:-303F,-186C
Melt/Freeze Pt:M.P/F.P Text:-308F,-189C
Decomp Temp:Decomp Text:NP
Vapor Pres:NP
Vapor Density:1.784G/L
Spec Gravity:1.38@21.1C,1ATM
pH:NP
Evaporation Rate &amp; Reference:NP
Solubility in Water:3.36ML/100G @20C
Appearance and Odor:ODORLESS, TASTELESS, COLORLESS INERT GAS.
Percent Volatiles by Volume:NP
Corrosion Rate:NP

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

Stability Indicator/Materials to Avoid:YES
NO DATA AVAILABLE.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE HAZARDOUS.

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

Waste Disposal Methods:OBSERVER ALL FED/STATE/LOC REGS WHEN DISPO
    SUBSTANCE.FOR ASSISTANCE CONTACT DIST DIR OF EPA.VENT SLOWLY
    TO/ALLOW TO EVAPORATE IN WELL-VENTI OUTDOOR LOCATION REMOTE FROM
    PERSONNEL WORKAREA/BLDG AIR INT AKES.

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