Product ID:HYDROGEN, MGI11120
MSDS Date:03/24/1993
FSC:6830
NIIN:00-180-5919
MSDS Number: CDWZN

MG INDUSTRIES

2460 BOULEVARD OF THE GENERALS
VALLEY FORGE, PA 19482
US

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 215-695-7400

Cage: 08772

MG INDUSTRIES

MALVERN, PA 19355-1424 US

Telephone: 610-695-7400 / 610-695-7449

Cage: 08772

HYDROGEN

CAS: 1333-74-0

RTECS: MW8900000

Fraction By Weight: 100%

OSHA PEL N/K

ACGIH TLV: N/K

UNMANNED HOLDER/MONITOR NOZZ; IF THIS IS IMPOSS,

RTECS: 9999999ZZ

RISING SOUND FORM VENTING SFTY DEVICE/ANY

RTECS: 9999999ZZ

BURN UNLESS LEAK CAN BE STOPPED; W/SMALLER

RTECS: 9999999ZZ

MILE IN ALL DIRECTIONS IF TANK, RAIL CAR/TANK TRUCK

RTECS: 9999999ZZ

STOPPED. USE FLOODING AMTS OF WATER AS FOG. COOL CYLS

RTECS: 9999999ZZ

AVOID BRTHG VAPS; KEEP UPWIND. IF FIRE IS

RTECS: 9999999ZZ

1500 FEET. CONSIDER EVACUATION OF DOWNWIND AREA IF

RTECS: 9999999ZZ

TO RAPID EVAP, LIQ MAY CAUSE FROSTBITE

RTECS: 9999999ZZ

UNLIKELY. IF LIQ IS SWALLOWED, FROSTBITE DMG TO LIPS,

RTECS: 9999999ZZ

SIMPLE ASPHYXIANT.

RTECS: 9999999ZZ

107F. IF WARM WATER IS NOT AVAIL/IMPRACTICAL

RTECS: 9999999ZZ

ENCOURAGE VICTIM TO EXERCISE AFFECTED PART WHILE IT

RTECS: 9999999ZZ

IF CONT

RTECS: 9999999ZZ

EVID OF CHEM REMAINS (AT LST 15-20 MINS). GET MED

RTECS: 9999999ZZ

SYMPTOMATICALLY & SUPPORTIVELY & GET MEDICAL

RTECS: 9999999ZZ

CNTNRS WHICH MEET BONDING & GROUNDING GUIDELINES

RTECS: 9999999ZZ

ELEC. VAPS MAY BE EXPLO. DO NOT ALLOW CONT W/SKIN;

RTECS: 9999999ZZ

MAY RUPTURE VIOLENTLY & TRAVEL A CONSIDERABLE

RTECS: 9999999ZZ

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:ACUTE:INHAL:SIMPLE ASPHY. SYMPS OF
ASPHYXIA DEPEND ON RAPIDITY W/WHICH OXYG DEFICIENCY DEVELOPS & HOW
LONG IT CONTINUES. IN SUDDEN ACUTE ASPHYXIA, UNCON MAY BE IMMED,
W/SLOW DEVEL. THERE MAY BE RAPID RESP & PULSE, AIR HUNGER, DIZZ,
REDUCEDAWARENESS, TIGHTNESS IN HEAD, TINGLING SENSATIONS, INCOORD,
(EFTS OF OVEREXP)
Explanation of Carcinogenicity:NOT RELEVANT
Effects of Overexposure:HLTH HAZ:FAULTY JUDGEMENT, EMOTIONAL
INSTABILITY & RAPID FATG. AS ASPHYXIA PROGRESSES, NAUS, VOMIT,
COLLAPSE, UNCON, CONVLS, DEEP COMA & DEATH ARE POSS. SKIN:DUE TO
RAPID EVAP, LIQ MAY CAUSE FROSTBITE W/REDNESS, TINGLING &
PAIN/NUMB. IN MORE SEV CASES, SKIN MAY BECOME HARD & WHITE &
DEVELOP BLISTERS. EYE:DUE (ING 9)
Medical Cond Aggravated by Exposure:NONE SPECIFIED BY MANUFACTURER.

First Aid:INHAL:REMOVE FROM EXPOS AREA TO FRESH AIR IMMED. IF BRTHG HAS
STOPPED, GIVE ARTF RESP. MAINTAIN AIRWAY & BLOOD PRESS & ADMIN OXYG
IF AVAIL. KEEP AFFECTED PERS WARM & AT REST. TREAT SYMPTOMATICALLY
& S UPPORTIVELY. ADMIN OF OXYG SHOULD BE PERFORMED BY QUALIFIED
PERS. GET MED ATTN. SKIN:IF ADVERSE EFTS OCCUR, GET MED ATTN. IN
CASE OF FROSTBITE, WARM AFFECTED SKIN IN WARM WATER AT TEMP OF (ING
12)

Lower Limits:4%
Upper Limits:75%
Extinguishing Media:DRY CHEMICAL OR CARBON DIOXIDE. FOR LARGER FIRES,
USE WATER SPRAY OR FOG.
Fire Fighting Procedures:USE NIOSH APPRVD SCBA & FULL PROT EQUIP . MOVE
CNTNRS FROM FIRE AREA IF YOU CAN DO IT W/OUT RISK. APPLY COOLING
WATER TO SIDES OF CNTNRS THAT ARE (SUPDAT)
Unusual Fire/Explosion Hazard:DANGEROUS EXPLO HAZ WHEN EXPOS TO
HEAT/FLAME. VAP-AIR MIXTS ARE EXPLO. CYL MAY EXPLODE IN HEAT OF
FIRE. DUE TO LOW ELECTROCONDUCTIVITY OF SUBSTANCE, (SUPP DATA)

Spill Release Procedures:SHUT OFF IGNIT SOURCES. DO NOT TOUCH SPILLED
MATL. STOP LEAK IF YOU CAN DO IT W/OUT RISK. USE WATER SPRAY TO
REDUCE VAPS, ISOLATE AREA UNTIL GAS HAS DISPERSED. NO SMOKING,
FLAMES/FLARES IN HAZ AREA! K EEP UNNEC PEOPLE AWAY. ISOLATE HAZ
AREA& (SUPDAT)
Neutralizing Agent:NONE SPECIFIED BY MANUFACTURER.

Handling and Storage Precautions:OBSERVE ALL FED, STATE & LOC REGS WHEN
STORING THIS SUBSTANCE. STORE I/A/W 29 CFR 1910.103. STORE AWAY
FROM INCOMPATIBLE SUBSTANCES. FLAMMABLE GAS.
Other Precautions:STORE IN COOL, DRY, WELL-VENTED LOCATION.
OUTSIDE/DETACHED STOR IS PREF. ISOLATE FROM OXYG, HALOGENS, OTHER
OXIDIZING MATLS. SUBSTANCES W/LOW ELECTROCONDUCTIVITY, WHICH MAY BE
IGNITED BY ELECTROSTATIC SPKS, SHOULD BE STORED IN (ING 17)

Respiratory Protection:SPECIFIC RESP SELECTED MUST BE BASED ON CONTAM
LEVELS FOUND IN WORK PLACE, SPECIFIC OPERATION, MUST NOT EXCEED
WORKING LIMS OF RESP & BE NIOSH APPRVD: ANY SUPPLIED-AIR RESP
OPERATED IN PRESS-DEMAND/OT HER POS PRESS MODE; ANY SCBA.
Ventilation:PROVIDE LOCAL EXHAUST OR GENERAL DILUTION VENTILATION.
VENTILATION EQUIPMENT MUST BE EXPLOSION-PROOF.
Protective Gloves:COLD INSULATING GLOVES.
Eye Protection:ANSI APPRVD CHEM WORKERS GOGGS &(SUPDAT)
Other Protective Equipment:ANSI APPRVD EYE WASH FOUNTAIN & DELUGE
SHOWER . WEAR APPROP PROT CLOTHING & EQUIP TO PREVENT SKIN FROM
FREEZING.
Work Hygienic Practices:CONTACT LENSES SHOULD NOT BE WORN.
Supplemental Safety and Health
EXPLO HAZ:FLOW/AGITATION. MAY GENERATE ELECTROSTATIC CHARGES RSLTG IN
SPKS W/POSS IGNIT. SPILL PROC:DENY ENTRY. VENT CLSD SPACES BEFORE
ENTERING. EYE PROT:FULL LGTH FSHLD . FIRE FIGHT PROC:EXPOS TO
FLAMES UNTIL WELL AFTER FIRE IS OUT. STAY AWAY FROM ENDS OF TANKS.
FOR MASSIVE FIRE IN CARGO AREA, USE (ING 2)

Boiling Pt:B.P. Text:-423F,-253C
Melt/Freeze Pt:M.P/F.P Text:-434F,-259C
Vapor Pres:760 @-253C
Vapor Density:0.07
Spec Gravity:0.08987
Solubility in Water:1.82% @ 20C.
Appearance and Odor:COLORLESS, TASTELESS GAS; ODORLESS.

Stability Indicator/Materials to Avoid:YES
ALKALINE METALS, LIQ NITROGEN & ALKENES, NITROGEN OXIDE, OXIDIZERS. FOR
COMPLETE LIST OF MATLS TO AVOID CONT NEHC.
Stability Condition to Avoid:AVOID CONTACT W/HEAT, SPARKS, FLAMES OR
OTHER IGNITION SOURCES.
Hazardous Decomposition Products:NONE HAZARDOUS.

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE & LOCAL REGULATIONS
WHEN DISPOSING OF THIS SUBSTANCE. DISPOSAL MUST BE I/A/W STDS
APPLIC TO GENERATORS OF HAZARDOUS WASTE, 40 CFR 262. EPA HAZARDOUS
WASTE NUMBER D001. CERCL A REPORTABLE QUANTITY:100 LBS.

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.