Product ID:HELIUM, (CRYOGENIC LIQUID)
MSDS Date:06/19/1989
FSC:6830
NIIN:00-660-0026
MSDS Number: BHDRZ

Emergency Phone: 1-800-822-4357 CANADA 514-640-6400

Info Phone: ROUTINE INFO CONTACT LOCAL SUPPLIER

Cage: 36346

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

Cage: 36346

HELIUM

CAS: 7440-59-7

RTECS: NH6520000

Fraction By Weight: 100%

OSHA PEL NONE ESTABLISHED

ACGIH TLV: NONE ESTABLISHED

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:SWALLOWING: FROSTBITE OF THE LIPS AND
MOUTH MAY RESULT FROM CONTACT WITH LIQUID INHALATION: ASPHYXIANT.
MODERATE CONCENTRATIONS MAY CAUSE HEADACHE/DROWSINESS/
DIZZINESS/EXCITATION/EXCESS SALIVATION/V OMITING/UNCONSCIOUSNESS.
SKIN: LIQUIDMAY CAUSE FROSTBITE. EYES: LIQUID MAY CAUSE FROSTBITE.
Effects of Overexposure:HELIUM IS AN ASPHYXIANT. LACK OF OXYGEN CAN
CAUSE DEATH.
Medical Cond Aggravated by Exposure:A KNOWLEDGE OF THE AVAILABLE
TOXICOLOGY INFORMA- TION AND OF THE PHYSICAL AND CHEMICAL
PROPERTIES OF THE MATERIAL SUGGEST THAT OVEREXPOSURE IS UN-
LIKELY TO AGGRAVATE EXISTING MEDICAL CONDITIONS.

First Aid:SWALLOWING: PROD A GAS AT NORMAL TEMP/PRESSURE. SKIN: FOR
EXPOSURE TO LIQ, IMME-DIATELY WARM FROSTBITE AREA W/WARM WATER (NOT
TO EXCEED 105F). WITH MASSIVE EXPOREMOVE CLOTHING WHILE SHOWERING
W/WARM W ATER. GET MED ATTN. INHALATION: REMOVETO FRESH AIR. GIVE
CPR IF NOT BREATHING. GIVE OXYGEN IF BREATHING IS DIFFICULT. GET
MED ATTN. EYES: FLUSH THOROUGHLY W/WATER FOR 15 MIN. SEE A
PHYSICIAN.

Extinguishing Media:HELIUM CANNOT CATCH FIRE. USE MEDIA APPROPRIATE FOR
SURROUNDING FIRE.
Fire Fighting Procedures:EVAC ALL PER FM DANGER AREA. IMMED DELUGE
CONT'S W/WATER SPRAY FM MAX DIST UNTILCOOL/MOVE CONT'S AWAY FM FIRE
AREA IF W/O RISK. DO NOT DISCHARGE WATER INTO HEL.
Unusual Fire/Explosion Hazard:CLOSED CONT MAY RUPTURE FM FIRE HEAT. TO
PREV IGNITION OF GREASE/OIL/OTHER COM- BUSTIBLE MATLS ON LIQ HELIUM
SUR, AIR CONDENSATION S/B KEPT FREE OF THESE MATLS.

Spill Release Procedures:EVAC ALL PERSONNEL FM DANGER AREA. ALLOW
SPILLED LIQ TO EVAP. SHUT OFF LEAK IF W/O RISK. MOVE LEAK-ING
ASSEMBLY TO VENT'D AREA OR VENTI AREA OF LEAK.USE SELF-CONTAINED
BREATHING APPAR WHERE NEEDED. TEST AREA FOR SUFF OXY PRIOR TO
PERMIT'G RE-ENTRY.

Handling and Storage Precautions:CONTACT W/LIQ/COLD GAS-SEVERE
FROSTBITE. VAPOR- SUFFOCATION. DO NOT STRIKE ARC/GROUND ON
CONT'ER. CLOSE VALVE W/NOT IN USE/EMPTY. PROTECT FM DAMAGE.
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. USE PIPING/EQUIP
DESIGNED TO WITHSTAND P RESS/TEMPS. STORE/USE W/ADEQUATE VENTIL.

Respiratory Protection:SELECT IN ACCORDANCE WITH OSHA 29 CFR 19140.134.
RESPIRATORS SHALL BE ACCEPTABLETO MSHA AND NIOSH.
Ventilation:LOCAL EXHAUST-PREFERRED. MECHANICAL (GENERAL)-ADEQUATE.
SPECIAL-NOT APPLICABLE. OTHER-NOT APPLICABLE.
Protective Gloves:LOOSE FITTING CRYOGENIC GLOVES.
Eye Protection:SELECT IAW OSHA 29 CFR 1910.133.
Other Protective Equipment:METALARSAL/HIGH-TOP SHOES/PROTECTIVE
CLOTHING/CUFFLESS TROU-SERS S/B WORN OUTSIDE SHOES/SEL AW OSHA 29
CFR 1910.132/133.
Supplemental Safety and Health
NK

Boiling Pt:B.P. Text:-268.9C
Vapor Pres:GAS @ 20C
Vapor Density:0.138@ 21C
Spec Gravity:0.147 @ -270.8C
Evaporation Rate & Reference:HIGH @ BUTYL ACETATE
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS LIQUID
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
NONE CURRENTLY KNOWN.
Stability Condition to Avoid:OBTAIN/EVALUATE SAFETY INFO FOR EACH
COMPONENT BEFORE MIXINGLIQUID HELIUM AND OTHER LIQUIFIED GASES.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:DISCARD ANY PRODUCT, RESIDUE, DISPOSABLE
CONTAINEROR LINER IN AN ENVIRONMENTALLY ACCEPTABLE MANNER IN FULL
COMPLIANCE WITH FEDERAL, STATE AND LOCAL REGULATIONS.

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.