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

MSDS NAME:HYDROGEN(HIGH PRESSURE GAS)
NIIN:00B210001
MSDS Number: BBBXX
=== Responsible Party ===
Company:UNION CARBIDE CORPORATION
Address:270 PARK AVENUE
City:NEW YORK
State:NY
ZIP:10017
Country:US
Emergency Phone Num:304744-3487
CAGE:05397
=== Contractor Identification ===
Company:UNION CARBIDE CORP MATERIALS SYSTEMS DIVISION
Address:11901 MADISON AVE
Box:City:CLEVELAND
State:OH
ZIP:44101
Country:US
CAGE:05397

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

Name:HYDROGEN
CAS:1333-74-0
RTECS #:MW8900000

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

Routes of Entry: Inhalation:YES  Skin:YES  Ingestion:YES
Effects of Overexposure:HYDROGEN ACTS AS AN ASPHYXIANT BY DISPLACING
    OXYGEN.SYMPTOMS OF ASPHYXIA ARE,HEADACHE,BREATHING AND PLUSE RATES
    INCREASED,DIFFICULT BREATHING,PERSPIRATION,DIZZINESS,RINGING IN
    EARS,LIPS BLUE,TREMORS A ND WEAKNESS,FATIGUE UPON
    EXERTION,DROWSINESS,NAUSEA AND VOMITING,UNCONSCIOUSNESS.

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

First Aid:REMOVE FROM OXYGEN-DEFICIENT ATMOSPHERE.IF NOT
    BREATHING,ADMINISTER ARTIFICIAL RESPIRATION PERFERRABLY
    MOUTH-TO-MOUTH.CALL PHYSICIAN.KEEP UNDER MEDICAL OBSERVATION FOR 24
    HOURS,IF RENDERED UNCONSCIOUS  DUE TO OXYGEN-DEFICIENCY.TREATMENT
    FORINJURIES FROM BURNS:COVER BURNS W/DRY STERILE DRESSING.PLACE
    UNDER CARE OF A PHYSICIAN.

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

Flash Point:FLAMMABLE GAS
Lower Limits:4%
Upper Limits:75%
Extinguishing Media:CO2,DRY CHEMICALS,WATER SPRAY OR FOG.
Fire Fighting Procedures:IMMEDIATELY COOL CONTAINERS WITH WATER SPRAY
    FROM MAXIMUM DISTANCE,TAKING CARE NOT TO EXTINGUISH
    FLAMES.EXPLOSIVE RE-IGNITION MAY OCCUR IF FLAMES EXTINGUISHED.
Unusual Fire/Explosion Hazard:FLAMMABLE GAS.FLAME IS NEARLY
    INVISIBLE.ESCAPING GAS MAY IGNITE SPONTANEOUSLY.FIREBALL IS FORMED
    IF GAS CLOUD IS IGNITED IMMEDIATELY AFTER RELEASE.

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

Spill Release Procedures:IMMEDIATELY EVACUATE ALL PERSONNEL FROM DANGER
    AREA.USE SELF-CONTAINED BREATHING APPARATUS WHERE NEEDED.REMOVE ALL
    SOURCES OF IGNITION IF WITHOUT RISK.REDUCE GAS WITH FOG OR FINE
    WATER SPRAY.FLAMMABLE  GAS MAY SPREAD FROM SPILL.

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

Handling and Storage Precautions:PROTECT CYLINDERS FROM DIRECT SUNLIGHT
    AND STORE IN WELL-VENTILATED AREA.PROTECT CONTAINERS FROM PHYSICAL
    DAMAGE.ISOLATE FROM CYL.OF OXYGEN & CHLORINE
Other Precautions:DO NOT LOAD TOGETHER W/EXPLOSIVES,POISON,RADIOACTIVE
    MATERIALS AND ORGANIC PEROXIDES.IN EVENT OF FIRE,COOL CYLINDERS
    WITH WATER SPRAY FROM SAFE DISTANCE.

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

Ventilation:EXPLOSION-PROOF SYSTEM IS ACCEPTABLE.
Protective Gloves:PREFERRED FOR CYLINDER HANDLING.
Eye Protection:SAFETY GLASSES
Other Protective Equipment:METATARSAL SHOES FOR CYLINDER HANDLING.
Supplemental Safety and Health
FORMS EXPLOSIVE MIXTURES WITH AIR AND OXIDIZING AGENTS.CONTAINER MAY
    RUPTURE DUE TO HEAT OF FIRE.EXPLOSIVE ATMOSPHERES MAY LINGER.BEFORE
    ENTERING AREA,ESPECIALLY CONFINED AREAS,CHECK ATMOSPHERE WITH A
    PPROVED EXPLOSION METER.NO PART OF CONTAINER SHOULD BE SUBJECTED TO
    TEMPERATURES HIGHER THAN 52C(APP.125F)

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

Boiling Pt:B.P. Text:-252.9C
Vapor Pres:GAS
Vapor Density:0.0695
Spec Gravity:GAS
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS,ODORLESS
Percent Volatiles by Volume:100

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

Stability Indicator/Materials to Avoid:YES
OXYGEN,OXIDIZING AGENTS
Hazardous Decomposition Products:NONE

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

Waste Disposal Methods:PREVENT WASTE FROM CONTAMINATING SURROUNDING
    ENVIRONMENT.KEEP PERSONNEL AWAY.CALL SUPPLIER FOR DISPOSAL
    INFORMATION.

 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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