===================== Product Identification =====================
MSDS NAME:HYDROGEN
NIIN:00-169-0792
MSDS Number: CCVQZ
=== Responsible Party ===
Company:AIRCO INDUSTRIAL GASES
Address:575 MOUNTAIN AVE
City:MURRARY HILL
State:NJ
ZIP:07974-2006
Country:US
Info Phone Num:201-464-8100
Emergency Phone Num:800-424-9300(CHEMTREC)/201-464-8100
CAGE:90922
=== Contractor Identification ===
Company:AIRCO INDUSTRIAL GASES
Address:575 MOUNTAIN AVE
Box:City:MURRARY HILL
State:NJ
ZIP:07974-2006
Country:US
CAGE:90922
============= Composition/Information on Ingredients =============
Name:HYDROGEN, >/= 99.995%.
CAS:1333-74-0
RTECS #:MW8900000
Fraction by Wt: SEE ING
Other REC Limits:NONE RECOMMENDED
===================== Hazards Identification =====================
LD50 LC50 Mixture:NONE SPECIFIED BY MANUFACTURER.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SIMPLE ASPHYXIANT.MAINTAIN OXY LEVELS
@>9.5MOLAR% @NORMAL ATM PRESSURE.HIGH H2 CONCEN CAUSE
HEAD,DIZZ,DEEPER BREATHING DUE TO AIR HUNGER,POSSIBLE NAU,EVENTUAL
UNCONSC.H2 IS INACTIVE BIOLOGICALLY/ESSEN TIALLY NONTOXIC;MAJ HAZ
IS EXCLUSION OFADEQUATE SUPPLY OF OXY TO LUNGS.H2 EXPLO @=/>4% SO
ASPHYXIANT PROPERTIES ARE 2N
Explanation of Carcinogenicity:PER
MSDS:CARCINOGENICITY:NTP/IARC/OSHA:NO.
Effects of Overexposure:SIMPLE ASPHYXIANT. HEADACHE,DIZZINESS,DEEPER
BREATHING DUE TO AIR HUNGER,NAUSEA,UNCONSCIOUSNESS. HIGH CONCEN OF
HYDROGEN EXCLUDE AN ADEQUATE SUPPLY OF OXYGEN TO LUNGS.
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.
======================= First Aid Measures =======================
First Aid:PROMPT MED ATTN MANDATORY IN ALL CASES.RESCUER EQUIP SCBA &
AWARE OF EXTREME FIRE/EXPLO HAZ.SHOULDN'T ENTER EXPLO ATM.REMOVE TO
UNCONTA AREA/INHALE FRESH AIR.QUICK REMOVAL MOST IMPORTANT.UNCONSC
PERSO N GIVE ART RESUSCITATION/SUPPLEMENTAL OYX.FURTHER TREATMENT
SYMPTOMATIC/SUPPORTIVE.
===================== Fire Fighting Measures =====================
Flash Point:NA, GAS
Autoignition Temp:Autoignition Temp Text:585C
Lower Limits:4
Upper Limits:74.5
Extinguishing Media:WATER, CARBON DIOXIDE, DRY CHEMICAL. USE WATER
SPRAY TO COOL SURROUNDING EQPMT. ELECTRICAL CLASSIFICATION:CLASS
I,GRP B.
Fire Fighting Procedures:STOP H2 FLOW.REDUCE FLOW RATE;INJECT INERT
GAS/STEAM BEF COMPLETE H2 FLOW STOP-PREVENT FLASHBACK.DON'T EXTING
FIRE TIL SUPPLY IS HUTOFF,OTHERWISE EXPLO(SUPPLE)
Unusual Fire/Explosion Hazard:VERY FLAMM GAS!REMOVE ALL IGN SOURCES.GAS
VERY LIGHT,RISES VERY RAPIDLY.INCR VENTI-PREVENT EXPLO HAZ(UPPER
PORTION OF BLDG/SHEDS).KEEP FROM AREA WHERE FLAMM ACC
================== Accidental Release Measures ==================
Spill Release Procedures:REMOVE ALL PERSONS.USE APPROPRIATE PPE.LEAK IN
USER EQPMT PURGE PIPING W/INERT GAS PRIOR TO REPAIRS.LEAK IN
CNTNR/CNTNR VALVE COTNACT CHEMTREC FOR EMERG ASSIST/CALL AIRCO.
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.
====================== Handling and Storage ======================
Handling and Storage Precautions:USE ONLY IN WELL VENTI AREA.VAL PROT
CAPS/CYL REMAIN IN PLACE UNLESS SECURED W/VAL OUTLET PIPED TO USE
PT.DON'T DRAG/ROLL/SLID CYL;USE HAND TRUCK.
Other Precautions:USE PRESSURE RED REG WHEN CONNECT TO LOWER
PRESSURE.DON'T HEAT CYL.USE CHECK VAL/TRAP IN DISCHARGE
LINE-PREVENT BACKFLOW.PROTECT CYL FROM PHYS DMG.STORE UPRIGHT IN
COOL(<125F),DRY AREA AWAY FROM HEAVY TRAFFIC/EMERG
EXIT.GROUND/BOND EQPMT.
============= Exposure Controls/Personal Protection =============
Respiratory Protection:TYPE C RESPIRATOR W/FULL FACE PIECE EQUIPPED
W/ESCAPE BOTTLE OR SELF-CONTAINED BREATHING APPARATUS SHOULD BE
AVAILABLE FOR EMERGENCY USE.OPERATE THIS EQUIPMENT IN POSTIVE
PRESSURE DEMAND MODE.
Ventilation:LOC EXHAU TO PREVENT ACCUMULATION >2%H2(50% OF LOWER EXPO
LIMIT)& TO AVOID OXYGEN DEFICIENCY.MECH IAW ELECTRICAL CODES.
Protective Gloves:NONE NEEDED SPECIFICALLY FOR HYDROGEN.
Eye Protection:SAFETY GOGGLES OR GLASSES.
Other Protective Equipment:NONE SPECIFICALLY FOR HYDROGEN.
Work Hygienic Practices:POST NO SMOKING/OPEN FLAMES SIGNS IN
STORAGE/USE AREAS.REF:COMPRESSED GAS ASSOC
PAMPHLETS:G-5,P-1,-14;OSHA1910H;NAPA50A.
Supplemental Safety and Health
FIREFIGHT:REIGN MAY OCCUR.NEVER ENTER FLAMM ATM.COOL SURROUNDING CNTNRS
W/WATERSPRAY.BURNS W/ALMOST INVISIBLE/SILENT FLAME RELATIVELY LOW
THERM RADIATION.DON'T DETECT LEAK W/HANDS/OPEN FLAME!INCR VENT
I-PREVENT BUILDUP.USE ONLY SPARK PROOF TOOLS.KEEP UPWIND.WATERFOG
TO CREATE VENTI.APPROACH TYP PROT SUITS/+PRESS SCBA.
================== Physical/Chemical Properties ==================
HCC:G2
Boiling Pt:=217.C, 422.6F
Melt/Freeze Pt:=224.C, 435.2F
Decomp Temp:Decomp Text:NP
Vapor Pres:SUPERCRITI
Vapor Density:0.069 @0C
Spec Gravity:GAS
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NP
Solubility in Water:SLIGHT.
Appearance and Odor:COLORLESS,FLAMMABLE GAS,ODORLESS,COMPRESSED &
SHIPPED IN HIGH PRESSURE CYLINDER
Percent Volatiles by Volume:NP
Corrosion Rate:NP
================= Stability and Reactivity Data =================
Stability Indicator/Materials to Avoid:YES
OXIDIZERS,F/H2 RX @-250F WHEN IMPURITIES PRESENT.CL/H2 MIX STABLE IN
DARK BUT EXPLO IF EXPO TO LIGHT.LI METAL (CONDTN)
Stability Condition to Avoid:HEAT, SPARK AND OPEN FLAME. AVOID
CONT:BURN TO HYDRIDE IN H2 ATM.
Hazardous Decomposition Products:NONE KNOWN.
==================== Disposal Considerations ====================
Waste Disposal Methods:DON'T ATTEMPT TO DISPO OF WASTE/UNUSED
QUANT.RETURN IN SHIPPING CNTNR PROPERLY LABEL W/VALVE OUTLET
PLUGS/CAPS SECURED/VALV PROTECTION CAP IN PLACE TO AIRCO FOR PROPER
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.
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