Product ID:LIQUID OXYGEN
MSDS Date:09/01/1985
FSC:9135
NIIN:00-965-2527
MSDS Number: BHGRQ

Emergency Phone: (800) 822-4357

Info Phone: (800) 822-4357

Cage: 36346

Telephone: 800-822-4357; 304-744-3487

Cage: 36346

OXYGEN (GAS OR LIQUID)

CAS: 7782-44-7

RTECS: RS2060000

Fraction By Weight: 100%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INGESTION/SKIN/EYES: SEVERE FROSTBITE
MAY RESULT FROM CONTACT W/LIQUID. NO HARMFUL EFFECTS EXPECTED FROM
VAPOR. INHALATION: NASAL STUFFINESS, BREATHING DIFFICULTY, LUNG
DAMAGE, CENTRAL NERVOUS SYSTEM EFFECTS, DIZZINESS, HEARING
DISTURBANCES, UNCONSCIOUSNESS & CONVULSIONS ARE CAUSE BY PROLONGED
BREATHING OF 80% OXYGEN.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INGESTION/SKIN/EYES: SEVERE FROSTBITE MAY
RESULT FROM CONTACT W/LIQUID. NO HARMFUL EFFECTS EXPECTED FROM
VAPOR. INHALATION: NASAL STUFFINESS, BREATHING DIFFICULTY, LUNG
DAMAGE, CENTRAL NERVOUS SYSTEM EFFECTS, DIZZINESS, HEARING
DISTURBANCES, UNCONSCIOUSNESS & CONVULSIONS.

First Aid:SKIN: FLUSH FROSTBITE AREA W/WARM WATER. REMOVE & THOROUGHLY
WASH AIR CONTAMINATED CLOTHING. CALL PHYSICIAN. INHALATION: REMOVE
TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION IF NOT BREATHING. KEEP
VICTIM WARM AND AT REST. CALL PHYSICIAN. EYES:FLUSH W/WATER FOR AT
LEAST 15 MINUTES. SEE PHYSICIAN.

Extinguishing Media:OXIDIZING AGENT. USE MEDIA APPROPRIATE FOR
SURROUNDING FIRE. USE WATER FOR EXTINGUISHING MEDIA FOR CLOTHING
FIRES.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA. COOL
CONTAINERS W/WATER SPRAY. DON'T DISCHARGE WATER SPRAYS INTO LIQUID
OXYGEN.
Unusual Fire/Explosion Hazard:OXIDIZING AGENT, VIGOROUSLY ACCELERATES
COMBUSTION. CONTACT W/FLAMMABLE MATERIALS MAY CAUSE FIRE/EXPLOSION.
CLOSED CONTAINER MAY RUPTURE DUE TO HEAT OF FIRE.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.
EXTREMELY COLD OXIDIZING LIQUID & GAS. ALLOW SPILLED LIQUID TO
EVAPORATE. DON'T WALK ON/ROLL EQUIPMENT OVER SPILL. SHUT OFF LEAK
IF W/O RISK. VENTILATE AREA OF LEAK/MOVE LEAKING CONTAINER TO
VENTILATED AREA.

Handling and Storage Precautions:FOR STORAGE & USE AT CONSUMER SITES,
REFER TO NFPA50, "BULK OXYGEN SYSTEMS', & NFPA 51, "OXYGEN-FUEL GAS
SYSTEM FOR WELDING, CUTTING & ALLIED PROCESS.
Other Precautions:NEVER WORK ON A PRESSURIZED SYSTEM. IF THERE IS A
LEAK, CLOSE THE CYLINDER VALVE, BLOW DOWN THE SYSTEM BY VENTING TO
A SAFE PLACE. THEN REPAIR THE LEAK. NEVER LUBRICATE OXYGEN VALVES,
REGULATORS, ETC. , W/ANY COMBUSTIBLE SUBSTANCE OR GREASE.

Ventilation:PROVIDE ADEQUATE MECHANICAL/LOCAL EXHAUST VENTILATION.
Protective Gloves:LOOSE-FITTING CRYOGENIC
Eye Protection:IN ACCORDANCE W/OSHA 29 CFR 1910.133
Other Protective Equipment:METATARSAL SHOES, CUFFLESS TROUSERS, HIGH
TOP SHOES.
Work Hygienic Practices:DON'T GET LIQUID IN EYES, ON SKIN OR CLOTHING.
CLOTHING EXPOSED TO OXYGEN SHOULD BE REMOVED & AIRED OUT.
Supplemental Safety and Health

Boiling Pt:B.P. Text:-297.4F
Melt/Freeze Pt:M.P/F.P Text:-361.1F
Vapor Pres:GAS
Vapor Density:1.105
Spec Gravity:1.141
Evaporation Rate & Reference:(BU AC = 1): HIGH
Appearance and Odor:LIGHT BLUE CRYOGENIC LIQUID, ODORLESS
Percent Volatiles by Volume:100%

Stability Indicator/Materials to Avoid:YES
FLAMMABLE & COMBUSTIBLE MATERIALS, OILS & GREASES INCLUDING MANY
MATERIALS NOT NORMALLY CONSIDERED FLAMMABLE.
Stability Condition to Avoid:HEAT. OXYGEN REACTS W/MANY MATERIALS.
SMOKING, FLAMES, & ELECTRIC SPARKS IN THE PRESENCE OF ENRICHED
OXYGEN ATMOSPHERES.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:KEEP PERSONNEL AWAY. LIQUID OXYGEN SHOULD BE
DUMPED INTO AN OUTDOOR PIT FILLED W/CLEAN, GREASEFREE & OIL-FREE
GRAVEL, WHERE IT WILL SAFELY EVAPORATE.

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.