Product ID:HELIUM,REFRIGERATED LIQUID
MSDS Date:08/17/1993
FSC:6830
NIIN:00-682-6436
MSDS Number: BFLLB

Emergency Phone: 800-424-9300(CHEMTREC)

Info Phone: 1800-734-5463

Cage: 00741

Telephone: 800-424-9300(CHEMTREC)

Cage: 00741

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: 99.9%

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SKIN & EYES- CONTACT WITH CRYOGENIC
LIQUID CAN CAUSE TISSUE FREEZING OR FROSTBITE AND CRYOGENIC
"BURNS". INGESTION- UNLIKELY. INHALATION- HELIUM IS A SIMPLE
ASPHYZIANT.
Effects of Overexposure:IN HIGH CONC-HEADACHE,DIZZ,LABORED
BREATHING,EVENTUAL UNCONSCIOUSNESS. CONTACT W/CRYOGENIC LIQUID CAN
CAUSE TISSUE OR FROSTBITE ON DERMAL CONTACT OR IF SPLASHED IN EYE.

First Aid:PROMPT MED ATTN MANDATORY IN ALL CASES OF OVEREXPOS. RESCUE
PERS SHOULD USE SLF-CONTND BREATH APPARATUS. INHAL-GET TO FRESH
AIR,IF UNCONSC GIVE MOUTH-TO-MOUTH. TREAT AREAS EXPOSED TO LIQUID
AS FOR FRO STBITE. EYE-IMMED FLUSH W/LGE QTY TEPIDWATER. SKIN-FLUSH
W/LUKEWARM WATER-DO NOT USE HOT WATER.

Extinguishing Media:MATL IS NONFLAM,INERT GAS

Spill Release Procedures:EVACUATE ALL PERSONNEL FM AREA. USE
APPROPRIATE PROTECT EQUIP. IF LEAK IS IN CONTNR OR CONTNR
VALVE,CONTACT CHEMTREC/800-424-9300/ OR EMERGENCY ASSIST FM NEAREST
AIRCO LOCATION.

Handling and Storage Precautions:CYLINDERS MUST ALWAYS BE KEPT UPRIGHT.
SPECIALIZED TRUCKS ARE REQD FOR THEIR MOVEMENT. USE CYLINDERS ONLY
IN WELL VENT AREAS IAW MFRS INSTRUCTIONS.

Respiratory Protection:POS PRESS AIR LINE W/FULL FACEPIECE & ESCAPE AIR
SUPPLY OR SLF-CONTND BREATH APPARATUS SHOULD BE AVAILABLE FOR
EMERGENCY USE.
Ventilation:LOCAL EXHAUST TO PREVENT ACCUMULATION OF HIGH
CONC/W/SUBSEQUENT REDUCTION OF OXYGEN.
Protective Gloves:LOOSE FITTING INSULATED TYPE.
Eye Protection:SAFETY GOGGLES OR GLASSES
Other Protective Equipment:SAFETY SHOES
Supplemental Safety and Health

HCC:G3
Boiling Pt:B.P. Text:-452F,-269C
Melt/Freeze Pt:M.P/F.P Text:-457F,-272C
Vapor Pres:>CRIT.TEMP
Vapor Density:0.14
Solubility in Water:NEGLIGIBLE
Appearance and Odor:A COLORLESS GAS.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:NONE

Waste Disposal Methods:DO NOT ATTEMPT TO DISPOSE OF RESIDUAL OR UNUSED
QUAN. RETURN TO AIRCO FOR PROPER DISPOSAL.

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.