MATHESON CO DIV OF G D SEARLE MEDICAL PRODUCTS -- HYDROGEN -- 6830-00-182-6321 
=====================  Product Identification  =====================

Product ID:HYDROGEN
MSDS Date:06/30/1994
FSC:6830
NIIN:00-182-6321
=== Responsible Party ===
Company Name:MATHESON CO DIV OF G D SEARLE MEDICAL PRODUCTS
Address:30 SEAVIEW DRIVE
City:SCAUCUS
State:NJ
ZIP:07096
Country:US
Info Phone Num:201-867-4100
Emergency Phone Num:800-424-9300(CHEMTREC)
CAGE:96355
=== Contractor Identification ===
Company Name:MATHESON CO DIV OF G D SEARLE MEDICAL PRODUCTS
Address:30 SEAVIEW DRIVE
Box:City:SCAUCUS
State:NJ
ZIP:07096
Country:US
Phone:201-867-4100
CAGE:96355

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

Ingred Name:HYDROGEN
CAS:1333-74-0
RTECS #:MW8900000
Fraction by Wt: 100.0%
Other REC Limits:NONE RECOMMENDED

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:NO
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:MAY AFFECT CNS.REDUCES OXY AVAILABLE
    FOR BREATH.INHAL:MAY CAUSE
    NAU,VOMIT,WEAK,DIZZ,INCOORDINATION,TINGLING
    SENS,SUFFOCATION,CONVULSIONS,UNCONSC,COMA.SKIN:MAY CAUSE
    BLISTERS,FROSTBITE,NUMBNESS.EYE:MAY  CAUSE FROSTBITE,BLURRED
    VISION.INGEST:MAY CAUSE FROSTBITE.
Explanation of Carcinogenicity:PER MSDS:CARCINOGEN
    STATUS:OSHA/NTP/IARC:NO.
Effects of Overexposure:AFFECT CNS. NAUSEA, VOMITING, WEAKNESS,
    DIZZINESS, INCOORDINATION, TINGLING SENSATION, SUFFOCATION,
    CONVULSIONS, UNCONSCIOUSNESS, COMA. BLISTERS, FROSTBITE, NUMBNESS,
    BLURRED VISION.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
    TARGET EFFECTS:SIMPLE ASPHYXIANT.

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

First Aid:INHAL:REMOVE TO FRESH AIR IMMED.GIVE ART RESP.TREAT
    SYMT/SUPP.GET MED ATTN IMMED.QUAL MED PERSON SHOULD CONSIDER GIVE
    OXY.SKIN:MERG TREAT UNLIKELY REQUIRED.ADVERSE EFFECTS OCCUR GET MED
    ATTN.FROSTBITE /FREZZ/CYROG BURN WARM AREA IN WARM H2OTEMP
    107F/41.7C/GENTLY WRAP IN BLANKETS.EXERCISE PART.EYE:MERG TREAT
    UNLIKELY REQUIRED.LIQ/GAS CONTACT WASH W/LG AMTS OF WATER @LEAST
    15-20MINS.GET MED (SUPPLE)

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

Flash Point:NO DATA AVAILABL
Autoignition Temp:Autoignition Temp Text:932F
Lower Limits:4.0
Upper Limits:75
Extinguishing Media:DRU CHEM OR CARBON DIOXIDE. LG FIRES USE WATER
    SPRAY OR FOG.
Fire Fighting Procedures:MOVE CNTNR AWAY FRM FIRE W/O RISK.APPLY COOL
    WATER TO FIRE-EXPO CNTNR SIDE TIL FIRE OUT.MASSIVE FIRE IN CARGO
    USE UNMANNED HOLDER/MONITOR HOZZ OR W/D FROM(SUPP)
Unusual Fire/Explosion Hazard:DANGEROUS FIRE HAZ/EXPLO HAZ WHEN EXPO TO
    HEAT/FLAME.VAP-AIR MIX EXPLO.CNTNR MAY EXPLO IN HEAT/FIRE.DUE TO
    LOW ELECTROCONDUCTIVITY FLOW/AGITATION MAY (SUPPLEME)

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

Spill Release Procedures:SHUT OFF IGN SOURCES.DO NT TOUCH SPILLED
    MATL.STOP LEAK W/O RISK.USE WATERSPRAY TO REDUCE VAPORS.ISOLATE
    AREA TIL GAS DISPERSED.NO SMOKING,FLAMES,FLARES IN HAZ AREA.KEEP
    UNNECESSARY PEOPLE AWAY;ISOLAT E HAZ AREA/DENY ENTRY.VENTI CLSD
    SPACESBEF ENTER.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:OBSERVE ALL FED/STATE/LOC REGS WHEN
    STORING SUBSTANCE.STORE IAW 29 CFR 1910.103.STORE IN COOL DRY
    WELL-VENTI LOCATION.OUTSIDE/DETACHED STORAGE PREFERR
Other Precautions:ISOLATE FROM OXY,HALOGENS,OTHER OXIDIZING
    MATLS.BOND/GROUND:SUBST W/LOW ELECTROCONDUCTIVITY MAY IGN BY
    ELECTROSTATIC SPARK SHOULD BE STORE IN CNTNRS WHICH MEET
    BOND/GROUND GUIDELINES SPEC IN NFPA 77-1 983.STORE AWAY FROM
    INCOMPAT SUBSTANCES.

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

Respiratory Protection:SPECIFIC RESP SELECTED MUST BE BASED ON CONTAMIN
    LEVELS FOUND IN WORKPLACE,SPECIFIC OPERATION,NOT EXCEED WORKING
    LIMITS OF RESP,JOINTLY APPROVED BY NIOSH-MSHA.
Ventilation:PROVIDE GENERAL DILUTION VENTILATION.
Protective Gloves:FULL PROTECTIVE COLD INSULATING GLOVES.
Eye Protection:SPLASH-PROOF SAF GOGG,FACESHIELD.
Other Protective Equipment:PROTECTIVE CLOTH NOT REQUIRED.IF CONTACT
    POSSIBLE WEAR APPROP PROT CLOTH/EQPMT.EYEWASH FOUNTAIN,QUICK DRENCH
    SHOWER.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN.
Supplemental Safety and Health
FIREFIGHT:AREA.RISE SOUND FRM VENT SAF DEVICE/DISCOLOR W/D.ISOLATE
    .5MI. EXPLO/FIRE HAZ:GENERATE ELECTROSTATIC CHARGES RESULT IN SPARK
    W/POSSIBLE IGN. 1STAID:ATTN IMMED.INGEST:MERG TREAT UNLIKELY REQU
    IRE.ADVERSE EFFECTS TREAT SYMPT/SUPP.GET MED ATTN.NO SPEC
    ANTIDOTE.TREAT SYMPT/SUPP. CONDIT:PRESSURE;VIOL RUPTURE-TRAVEL

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

HCC:G2
Boiling Pt:B.P. Text:-423F,-253C
Melt/Freeze Pt:M.P/F.P Text:-434F,-259C
Decomp Temp:Decomp Text:NP
Vapor Pres:-253C
Vapor Density:0.07
Spec Gravity:0.08987 @0C
pH:NA
Viscosity:0.008957CP
Evaporation Rate & Reference:N/AV
Solubility in Water:1.82% @20C, MODERATE
Appearance and Odor:ODORLESS, COLORLESS, TASTELESS GAS.
Percent Volatiles by Volume:NP
Corrosion Rate:NP

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

Stability Indicator/Materials to Avoid:YES
ALKALINE
    METALS,CACO3,CLO2,CUO,CL2O,FN:NF,NOX,DIOXANE+NI,HALOGENS,INTERHALOG
    ENS,N2,FNO2,OXIDIZERS,O2,OF2,O3,PDO,UNSAT HC
Stability Condition to Avoid:AVOID CONTACT W/HEAT/SPARKS/FLAMES/OTHER
    IGN SOURCES.VAP EXPLO.DON'T ALLOW CONTACT W/SKIN;MATL
    FROSTBITE.CONTENT (SUPPL)
Hazardous Decomposition Products:NONE HAZARDOUS.

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

Waste Disposal Methods:OBSERVE ALL FED/STATE/LOC REGS WHEN DISPO
    SUBSTANCE.DISPO MUST BE IAW STDS APPLICABLE TO GENERATORS OF HAZ
    WASTE 40CFR262.EPA HAZ WASTE NO:D001.100LB CERCLA SEC 103 RQ.

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