=====================  Product Identification  =====================

MSDS NAME:HYDROGEN SULFIDE
NIIN:00N084167
MSDS Number: CGSJR
=== Responsible Party ===
Company:BOC GASES
Address:575 MOUNTAIN AVE
City:MURRAY HILL
State:NJ
ZIP:07974
Country:US
Info Phone Num:908-464-8100
Emergency Phone Num:905-949-3777;800-424-9300(CHEMTREC)
CAGE:JO323
=== Contractor Identification ===
Company:BOC GASES
Address:575 MOUNTAIN AVE
Box:City:MURRAY HILL
State:NJ
ZIP:07974
Country:US
Phone:908-464-8100
CAGE:JO323
Company:BOC GASES, A DIVISION OF THE BOC GROUP, INC
Address:575 MOUNTAIN AVENUE
Box:City:MURRAY HILL
State:NJ
ZIP:07974
Country:US
Phone:908-464-8100
CAGE:80382

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

Name:HYDROGEN SULFIDE (SARA 302/313) (CERCLA)
CAS:7783-06-4
RTECS #:MX1225000
Fraction by Wt: >99%
OSHA PEL:20 PPM, C
ACGIH TLV:10 PPM; 15 STEL
EPA Rpt Qty:100 LBS
DOT Rpt Qty:100 LBS

Name:SUPDAT: AT CONCS >700 PPM HAVE BEEN FATAL. CONTINUOUS INHAL
    OF LOW CONCS MAY CAUSE OLFACTORY FATG/PARALYSIS OF (ING 3)
RTECS #:9999999ZZ

Name:ING 2: SENSE OF SMELL. THUS, DETECTION OF HYDROGEN SULFIDE
    BY ITS ODOR IS NOT EFTIVE. TOX EFTS OBSERVED IN (ING 4)
RTECS #:9999999ZZ

Name:ING 3: NEWBORN RATS AFTER EXPOSURE OF PREGNANT FEMALE TO 20
    PPM HYDROGEN SULFIDE.
RTECS #:9999999ZZ

Name:FIRST AID PROC: IN ALL CASES OF OVEREXP. RESCUE PERS SHOULD
    BE EQUIPPED W/NIOSH APPRVD SCBA & SHOULD RECOGNIZE (ING 6)
RTECS #:9999999ZZ

Name:ING 5: HAZS OF OVEREXP DUE TO OLFACTORY FATG. EXTREME FIRE
    HAZ EXISTS WHEN RESCUING SEMICONSCIOUS/UNCON PERS DUE (ING 7)
RTECS #:9999999ZZ

Name:ING 6: TO FLAMMABILITY HAZ. AVOID USE OF RESCUE EQUIP WHICH
    MAY CNTN IGNIT SOURCES/CAUSE STATIC DISCHARGE. ASSIST(ING 8)
RTECS #:9999999ZZ

Name:ING 7: VICTIMS TO UNCONTAM AREA & INHALE FRESH AIR. QUICK
    REMOVAL FROM CONTAM AREA IS MOST IMPORTANT. IF BRTHG (ING 9)
RTECS #:9999999ZZ

Name:ING 8: STOPS ADMIN ARTF RESP & SUPPLEMENTAL OXYGEN OR
    MIXTURE OF 5% CARBON DIOXIDE IN OXYGEN. KEEP CALM & WARM. (ING 10)
RTECS #:9999999ZZ

Name:ING 9: FURTHER TREATMENT SHOULD BE SYMPTOMATIC &
    SUPPORTIVE. SEEK MED ASSISTANCE IMMED.
RTECS #:9999999ZZ

Name:HNDLG/STOR: SENSE TO DETECT PRESENCE OF HYDROGEN SULFIDE.
    ANALYTICAL DEVICES & INSTRUMENTATION ARE READILY AVAIL(ING 12)
RTECS #:9999999ZZ

Name:ING 12: FOR THIS PURPOSE. PERFORM FREQUENT ANALYTICAL TESTS
    TO BE SURE TWA NOT EXCEEDED. MANY METALS CORRODE (ING 13)
RTECS #:9999999ZZ

Name:ING 12: RAPIDLY W/WET HYDROGEN SULFIDE. ANHYDROUS HYDROGEN
    SULFIDE CAN BE HANDLED IN CARBON STEEL, ALUMINUM (ING 14)
RTECS #:9999999ZZ

Name:ING 13: INCONEL, STELLITE & 304 & 316 STAINLESS STEELS.
    AVOID HARD STEELS WHICH ARE HIGHLY STRESSED; THEY MAY BE(ING 15)
RTECS #:9999999ZZ

Name:ING 14:SUSCEPTIBLE TO HYDROGEN EMBRITTLEMENT FROM HYDROGEN
    SULFIDE. USE ONLY IN WELL-VENTD AREA. VALVE PROT CAPS(ING 16)
RTECS #:9999999ZZ

Name:ING 15:MUST BE IN PLACE UNLESS CNTNR SECURE W/VALVE OUTLET
    PIPED TO USE POINT. DO NOT DRAG/SLIDE/ROLL CYLS. USE (ING 17)
RTECS #:9999999ZZ

Name:ING 16: SUITABLE HAND TRUCK FOR MOVEMENT. USE PRSSURE
    REDUCING REGULATOR WHEN CONNECTING CYL TO LOWER PRESSURE (ING 18)
RTECS #:9999999ZZ

Name:ING 17: (<750 PSIG) PIPING/SYSTEMS. DO NOT HEAT CYL TO INCR
    DISCHARGE RATE OF PROD FROM CYL. USE CHECK VALVE OR (ING 19)
RTECS #:9999999ZZ

Name:ING 18: TRAP IN DISCHARGE LINE TO PREVENT HAZARDOUS BACK
    FLOW INTO SYSTEM.
RTECS #:9999999ZZ

Name:OTHER PRECS:KNOCKED OVER. FULL & EMPTY CYLS SHOULD BE
    SEGREGATED. USE "FIRST IN-FIRST OUT" INVENTORY SYS TO PVNT(ING 21)
RTECS #:9999999ZZ

Name:ING 20: FULL CYLS BEING STORED FOR EXCEES PERIODS. POST "NO
    SMKNG OR OPEN FLAMES" SIGNS IN STOR/USE AREAS. THERE(ING 22)
RTECS #:9999999ZZ

Name:ING 21:SHOULD BE NO IGNIT SOURCES IN STOR/USE AREA. FOR
    ADDNL STOR RECOMS CONSULT COMPRESSED GAS ASSOC PAMPHLETS(ING 23)
RTECS #:9999999ZZ

Name:ING 22:P-1 & G-12. NEVER CARRY COMPRESSED GAS CYL/CNTNR OF
    GAS IN CRYOGENIC LIQ FORM IN ENCLSD SPACE SUCH AS CAR(ING 24)
RTECS #:9999999ZZ

Name:ING 23: TRUNK/VAN/STATION WAGON. LEAK CAN RSLT IN FIRE,
    EXPLO, ASPHY/TOX EXPOS. SHIPMENT OF COMPRESSED GAS CYL (ING 25)
RTECS #:9999999ZZ

Name:ING 24: WHICH HAS NOT BEEN FILLED BY OWNER/WITH HIS/HER
    (WRITTEN) CONSENT IS A VIOLATION OF TRANSPORTATION REGS.
RTECS #:9999999ZZ

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

LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Reports of Carcinogenicity:NTP:NO    IARC:NO	OSHA:NO
Health Hazards Acute and Chronic:EYES:LOW CONCS GENERALLY CAUSE IRRIT
    TO CONJ. RPTD EXPOS TO LOW CONCS REPORTED TO CAUSE CONJ, PHOTO
    PHOBIA, CORNEAL BULLAC, TEARING, PAIN & BLURRED VISION. SKIN CNTCT:
    MAY IRRITATE. INGEST:UNLIKELY. H YDROGEN SULFIDE IRRIT MUC MEMBS
    CAUSINGBURNING FEELING W/EXCESS SALIVATION LIKELY. GI TRACT IRRIT
    MAY (EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ: ALSO OCCUR. INHAL:HYDROGEN SULFIDE
    REACTS W/ENZYMES IN BLOODSTREAM & INHIBITS CELLULAR RESPIRATION
    RSLTG IN PULM PARALYSIS, SUDDEN COLLAPSE & DEATH. CONTINUOUS EXPOS
    TO LOW (15-50 PPM) CONCS  GENERALLY CAUSES MUC MEMB IRRIT & MAY
    ALSO CAUSE HDCH, DIZZ/NAUS. HIGHER CONCS (200-300 PPM) MAY RSLT IN
    RESP (SUPDAT)
Medical Cond Aggravated by Exposure:BLOOD DISORDERS.

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

Eyes: PERS W/POTNTL EXPOS TO HYDROGEN SULFIDE SHOULD NOT WEAR
    CNTCT LENSES. FLUSH CONTAM EYES W/LG AMTS OF WATER FOR AT LST 15
    MIN. PART EYELIDS W/FINGERS TO ENSURE COMPLETE FLUSHING. IF IRRIT
    PERSIST S, SEEK MED ATTN IMMED. SKIN:FLUSH AREAW/WATER. IF IRRIT
    PERSISTS, CONSULT MD. INGEST:TREAT IN MANNER SIMILAR TO INHAL
    EXPOS. SEEK MED ATTN AS SOON AS POSS. INHAL:PROMPT MED ATTN
    MANDATORY (ING 5)

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

Lower Limits:4.0%
Upper Limits:44.0%
Extinguishing Media:WATER, CARBON DIOXIDE, DRY CHEMICALS.
Fire Fighting Procedures:USE NIOSH APPROVED SCBA AND FULL PROTECTIVE
    EQUIPMENT . IF POSSIBLE, STOP FLOW OF HYDROGEN SULFIDE. USE WATER
    SPRAY TO COOL SURROUNDING CONTAINERS.
Unusual Fire/Explosion Hazard:HYDROGEN SULFIDE IS HVR/AIR & MAY ACCUM
    IN LOW AREAS & MAY TRAVEL CONSIDERABLE DIST TO IGNIT SOURCE. SHOULD
    FLAME BE EXTINGUISHED & FLOW OF GAS (SUPDAT)

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

Spill Release Procedures:EVACUATE PERS FROM AREA. USE APPROP PROT
    EQUIP. IF LEAK IS IN USER'S EQUIP, BE CERTAIN TO PURGE PIPING
    W/INERT GAS PRIOR TO ATTEMPTING REPAIRS. IF LEAK IS IN CNTNR OR
    CNTNR VALVE, CONTACT APPROP EMER  TELEPHONE NUMBER LISTED/CALL
    CLOSEST BOC LOCATION.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

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

Handling and Storage Precautions:EARTH-GROUND & BOND ALL LINES & EQUIP
    ASSOC W/HYDROGEN SULFIDE SYS. ALL ELEC EQUIP SHOULD BE NON-SPKG OR
    EXPLO PROOF. DO NOT RELY ON OLFACTORY(ING 11)
Other Precautions:PROTECT CYLS FROM PHYSICAL DMG. STORE IN COOL, DRY,
    WELL-VENTD AREA AWAY FROM HEAVILY TRAFFICKED AREAS & EMER EXITS. DO
    NOT LET TEMPS WHERE CYLS STORED EXCEED 130F(54C). STORE CYLS
    UPRIGHT & FIRMLY SE CURED TO PVNT FALLING/BEING (ING 20)

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

Respiratory Protection:NIOSH APPROVED POSITIVE PRESSURE AIR LINE WITH
    FULL-FACE MASK AND ESCAPE BOTTLE OR SCBA SHOULD BE AVAILABLE FOR
    EMERGENCY USE.
Ventilation:HOOD WITH FORCED VENTILATION. USE LOCAL EXHUST TO PREVENT
    ACCUMULATION ABOVE EXPOSURE LIMIT.
Protective Gloves:NEOPRENE, BUTYL RUB, PVC, POLYETHYLENE.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGLES .
Other Protective Equipment:ANSI APPROVED EYE WASH & DELUGE SHOWER .
    SAFETY SHOES.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
VP: 267 (1840 KPA) PSIA. EXPLO HAZ: CONTINUE, INCR VENT TO PVNT FLAM
    MIX FORM IN LOW AREAS/POCKETS. PROD MAY EXPLODE OR BURN OVER WIDE
    RANGE OF MIXS IN AIR. MATL TO AVOID: WHEN MIXED W/VAPS OF CHLORIN
    E, OXYGEN DIFLUORIDE OR NITROGEN TRIFLUORIDE. EFTS OF OVEREXP:
    ARREST LEADING TO COMA/UNCON. EXPOS FOR >30 MIN (ING 2)

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

Boiling Pt:B.P. Text:-76F,-60C
Melt/Freeze Pt:M.P/F.P Text:-118F,-83C
Vapor Pres:SUPDAT
Vapor Density:1.21
Solubility in Water:SOLUBLE
Appearance and Odor:COLORLESS VAPOR WITH ROTTEN EGG ODOR.

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

Stability Indicator/Materials to Avoid:YES
DANGEROUSLY REACTIVE WHEN MIXED W/CONCD NITRIC ACID OR OTHER STRONG
    OXIDIZING AGENTS. VAPS WILL IGNITE SPONT (SUPDAT)
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:OXIDES OF SULFUR.

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

Waste Disposal Methods:DISP MUST BE I/A/W FED, STATE & LOC REGS . DO
    NOT ATTEMPT TO DISPOSE OF RESIDUAL WASTE/UNUSED QTYS. RETURN IN
    SHIPPING CNTNR PROPERLY LABELED W/VALVE OUTLET PLUGS/CAPS SECURED &
    VALVE PROT CAP I N PLACE TO BOC/AUTHORIZED DISTRIBUTOR FOR DISP.

 Disclaimer (provided with this information by the compiling agencies):
 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
 assume responsibility for the suitability of this information to their
 particular situation.

*** END OF RECORD ***