BHFBW - HYDROGEN, COMPRESSED

Product Identification

Product ID:HYDROGEN, COMPRESSED
MSDS Date:06/01/1994
FSC:6830
NIIN:01-011-4102
MSDS Number: BHFBW

Responsible Party
AIR PRODUCTS AND CHEMICALS, INC.
7201 HAMILTON BLVD
ALLENTOWN, PA 18195-1501
US

Emergency Phone: 800-523-9374/610-481-7711

Info Phone: 215-481-4911/800-752-1597

Cage: 00742

Contractor
AIR PRODUCTS AND CHEMICALS INC
ALLENTOWN, PA 18195-1501 US

Telephone: 800-345-3148/ 800-752-1597

Cage: 00742

Ingredients

HYDROGEN

CAS: 1333-74-0

RTECS: MW8900000

Fraction By Weight: 100%

Hazards

LD50 LC50 Mixture:HYDROGEN IS A SIMPLE ASPHYXIANT.
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHAL:ASPHYXIANT.BEFORE SUFFOCATION
COULD OCCUR LOWER FLAMM LIMIT OF PROD IN AIR WOULD BE EXCEEDED
POSSIBLY CAUSING BOTH OXY-DEFICIENT & EXPLO ATM.EXPO TO MODERATE
CONCEN MAY CAUSE DIZZ,HEAD,NAU,UNCON SC.EXPO TO ATM W/8-10% OR LESS
OXY WILLQUICKLY BRING ABOUT UNCONSC W/O WARNING.LACK OF SUFFICIENT
OXY MAY CAUSE (SUPPL)
Explanation of Carcinogenicity:PER MSDS:HYDROGEN IS NOT LISTED BY
NTP/OSHA/IARC.
Effects of Overexposure:EXPOSURE TO AN OXYGEN-DEFICIENT ATM (<19.5%)
MAY CAUSE DIZZINESS, DROWSINESS, NAUSEA, VOMITING, EXCESS
SALIVATION, DIMINISHED MENTAL ALERTNESS, LOSS OF CONSCIOUSNESS, AND
DEATH.
Medical Cond Aggravated by Exposure:NONE. TARGET ORGANS:NONE.

First Aid

First Aid:INHAL:PERSONS SUFFERING FROM LACK OF OXYGEN SHOULD BE REMOVED
TO FRESH AIR. IF VICTIM IS NOT BREATHING, ADMINISTER ARTIFICIAL
RESPIRATION. IF BREATHING IS DIFFICULT, ADMINISTER OXYGEN. OBTAIN
PROMPT M EDICAL ATTN. SKIN/EYE/INGEST:NONE. NOTES TO
PHYSICIAN:NONE.

Fire Fighting

Flash Point:FLAMMABLE GAS
Autoignition Temp:Autoignition Temp Text:565.5C
Lower Limits:4
Upper Limits:74
Extinguishing Media:CO2, DRY CHEMICAL, WATER SPRAY OR FOG FOR
SURROUNDING AREA. DO NOT EXTINGUISH UNTIL HYDROGEN SOURCE IS SHUT
OFF.
Fire Fighting Procedures:EVACUATE PERSONNEL FRM DANGER AREA.IMMED COOL
CNTNR W/WATERSPRAY FRM MAX DISTANCE TAKING CARE NOT TO EXT
FLAMES.IF ACCIDENTALLY EXT EXPLO RE-IGN MAY OCCUR.(SUP)
Unusual Fire/Explosion Hazard:BURNS W/PALE BLUE,NEARLY INVISIBLE
FLAM.EASILY IGN W/LOW-IGN ENERGY(STATIC ELECT).LIGHTER THAN
AIR;ACCUMULATE IN UPPER SEC OF ENCLSD SPACES.PRESSURE IN (SUPPLE)

Accidental Release

Spill Release Procedures:EVACUATE IMMED.REMOVE POSSIBLE IGN
SOURCES.PROVIDE MAX EXPLO-PROOF VENTI.SHUT OFF SOURCE IF
POSSIBLE.IF LEAK FRM CYL/VALVE CALL AIR PRODUCTS.PRESENCE OF H2
FLAME CAN BE DETECTED BY APPROACHING CAUT W/ OUTSTRETCHED STRAW
BROOM MAKING FLAME VISIBLE.

Handling

Handling and Storage Precautions:NFPA 50A REQMT.STORE CYL UPRIGHT W/VAL
PROT CAP IN PLACE @WELL-PROT WELL-VENTI DRY LOCATION SEPARATED FRM
COMBUST MATLS.CYL TEMP SHOULDN'T REACH >125F
Other Precautions:SEPARATE CYL FRM OXY CYL/OXIDIZERS BY
20FT(MIN)DISTANCE OR BARRIER OF NONCOMBUST MATL @LEAST 5FT HI
W/@LEAST 1/2 HR FIRE RESISTANCE RATING.PROT FRM PHYS DMG.DON'T
DRAG/ROLL/DROP-USE HANDTRUCK.EXPLO PR OOF IN STORAGE/USE AREAS
(SUPPLEMENT)

Exposure Controls

Respiratory Protection:GENERAL USE:NONE. EMERG USE:AIR SUPPLIED
RESPIRATORS ARE REQUIRED IN OXY-DEFICIENT ATMS.BEFORE ENTERING AREA
YOU MUST CHECK FOR FLAMM OR OXY-DEFICIENT ATMS.
Ventilation:PROVIDE NATURAL OR EXPLO-PROOF VENTI ADEQUATE TO ENSURE
HYDROGEN DOESN'T REACH ITS LOWER EXPLO LIMIT OF 4%.
Protective Gloves:WORK GLOVES WHEN HANDLING CYLINDER.
Eye Protection:SAFETY GLASSES WHEN HANDLING CYLINDER.
Other Protective Equipment:SAFETY SHOES ARE RECOMMENDED WHEN HANDLING
CYLINDERS.
Work Hygienic Practices:NONE SPECIFIED BY MANUFACTURER.
Supplemental Safety and Health
FIREFTG:STOP FLOW OF GAS W/O RISK WHILE CONT COOLING WATERSPRAY.
EXPLO/FIRE HAZ:CNTNR CAN BUILDUP DUE TO HEAT;MAY RUPTURE IF
PRESSURE RELIEF DEVICES FAIL TO WORK. HEALTH HAZ:SERIOUS
INJURY/DEATH.EYE/S KIN/CHRONIC:NONE. OTHER PREC:(NAT ELECTCODE
CLASS I HAZ).USE LEAK DETECTION SOLN.DO NOT USE ADAPTERS.

Chemical Properties

HCC:G2
Boiling Pt:B.P. Text:-423F,-253C
Melt/Freeze Pt:M.P/F.P Text:-435F,-259C
Spec Gravity:[email protected]/1ATM
Solubility in Water:0.019 VOL/VOL @60F.
Appearance and Odor:FLAMM, OLORLESS, ODORLESS, COMPRESSED GAS PKG IN
CYL @HIGH PRESSURE.

Stability

Stability Indicator/Materials to Avoid:YES
OXIDIZING AGENTS. SOME STEELS ARE SUSCEPTIBLE TO HYDROGEN EMBRITTLEMENT
@HIGH PRESSURES & TEMPS.
Stability Condition to Avoid:PER MSDS:NONE. HOWEVER REMOVE ALL IGN
SOURCES. HANDLE CYLINDERS CAREFULLY.
Hazardous Decomposition Products:HAZ COMBUSTION PROD:NONE. HAZ DECOMP
PROD:NONE.

Disposal

Waste Disposal Methods:DON'T ATTEMPT TO DISPOSE OF RESIDUAL/UNUSED PROD
IN CYL.RETURN TO SUPPLIER FOR SAFE DISPOSAL.RESIDUAL PROD W/IN
PROCESS SYS MAY BE VENTED @CONTROLLED RATE TO ATM THRU VENT STACK
THAT DISCHARGES TO ELE VATED PT.STACK IN ISOLATED AREA AWAY FRM IGN
SOURC

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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.