Product ID:HELIUM REFRIGERATED LIQUID
MSDS Date:08/07/1989
FSC:6830
NIIN:00F050276
MSDS Number: BZXMZ

Emergency Phone: 908-464-8100

Info Phone: 908-464-8100

Cage: 83956

Telephone: 800-424-9300(CHEMTREC)

Cage: 00741

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

ACGIH TLV: SIMPLE ASPHYXIANT

Routes of Entry: Inhalation:YES Skin:NO Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: ASPHYXIANT. SKIN/EYES:
TISSUE FREEZING & CRYOGENIC BURNS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:HEADACHE, DIZZINESS, LABORED BREATHING,
UNCONSCIOUSNESS & BURNS.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF UNCONSCIOUS GIVE CPR.
TREAT SYMPTOMATICALLY. SKIN: FLUSH W/TEPID WATER. DON'T USE HOT
WATER. EYES: FLUSH W/LARGE QUANTITIES OF WATER/STERILE SALINE
SOLUTION. OBTAIN MEDICAL ATTENTION IN ALL CASES.

Flash Point:NONE
Lower Limits:NONE
Upper Limits:NONE

Spill Release Procedures:EVACUATE AREA. USE APPROPRIATE PROTECTIVE
EQUIPMENT.

Handling and Storage Precautions:USE ONLY WELL-VENTILATED AREAS.
CYLINDERS MUST ALWAYS BE KEPT UPRIGHT. DON'T DRAG, SLIDE/ROLL
CYLINDERS. UN1963
Other Precautions:DON'T ATTEMPT TO REPAIR, ADJUST/IN ANY WAY MODIFY THE
OPERATION OF VESSELS. LIQUID HELIUM IS DELIVERED INTO STATIONARY
VACUUM JACKETED VESSELS. DUE TO EXTREMELY COL LIQUID, UNINSULATED
TRANSFERLINES M AY CONDENSE AIR. (SEE SUPP)

Respiratory Protection:POSITIVE PRESSURE AIR LINE MASK/SCBA.
Ventilation:ADEQUATE
Protective Gloves:LOOSE FITTING INSULATED GLOVES
Other Protective Equipment:SAFETY SHOES
Supplemental Safety and Health
LIQUEFIED AIR MAY FLASH OF NITROGEN, LEAVING AN OXYGEN ENRICHED LIQUID.
DON'T ALLOW LIQUEFIED AIR TO CONTACT OILS, GASES/COMBUSTIBLE
MATERIALS/ASPHALT/MOTOR OIL. NEVER CARRY A COMPRESSED GAS CYLINDER/
A CONTIANER OF A GAS IN CRYOGENIC LIQUID FORM IN AN ENCLOSED SPACE
SUCH AS A CAR TRUNK, VAN/STATION WAGON.

Boiling Pt:B.P. Text:-452.1F
Melt/Freeze Pt:M.P/F.P Text:-456.5F
Vapor Density:0.14
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS GAS W/NO ODOR
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES

Waste Disposal Methods:DISPOSE OF IAW/FEDERAL, STATE & LOCAL
REGULATIONS. DON'T ATTEMPT TO DISPOSE OF WASTE/UNUSED QUANTITIES.
RETURN IN THE SHIPPING CONTAINER PROPERLY LABELED W/ANY VALVE
OUTLET PLUGS/CAPS SECURED & VALVE PROTECTION CAP IN PLACE TO AIRCO
FOR 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.