Product ID:HELIUM, REFRIGERATED LIQUID (CRYOGENIC LIQUID)
MSDS Date:06/25/1990
FSC:9135
NIIN:00-142-9362
MSDS Number: BQKHS

Emergency Phone: 215-630-5422

Info Phone: 215-630-5422

Cage: 08772

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

Cage: 08772

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: 100.0%

ACGIH TLV: SIMPLE ASPHYXIANT

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: DISTORTED SPEECH,
INCREASED LOSS OF BODY HEAT. UNCONSCIOUSNESS MAY BE IMMEDIATE.
SKIN: FROSTBITE, REDNESS, TINGLING & PAIN OR NUMBNESS. EYES:
FROSTBITE W/REDNESS, PAIN, & BLURRED VISION. I NGESTION: FROSTBITE
DAMAGE TO LIPS, MOUTH & MUCOUS MEMBRANES MAY OCCUR.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: RAPID PULSE, AIR HUNGER, DIZZINESS,
REDUCED AWARENESS, RAPID FATIGUE, NAUSEA, VOMITING, COLLAPSE,
CONVULSIONS, DEEP COMA & POSSIBLE DEATH.

First Aid:INHALATION: REMOVE TO FRESH AIR. IF BREATHING HAS STOPPED,
GIVE ARTIFICIAL RESPIRATION. MAINTAIN AIRWAY & BLOOD PRESSURE &
ADMINISTER OXYGEN IF AVAILABLE. SKIN: WASH AFFECTED SKIN IN WARM
WATER AT A T EMPERATURE OF 107F. GENTLY WRAP AFFECTED PART IN
BLANKET. INGESTION: OBTAIN MEDICAL ATTENTION IN ALL CASES. PHYSICAN
NOTE: NO SPECIFIC ANTIDOTE. TREAT SYMPTOMATICALLY & SUPPORTIVELY.

Extinguishing Media:USING AGENT SUITABLE FOR TYPE OF SURROUNDING FIRE.
Fire Fighting Procedures:MOVE CONTAINER FROM FIRE AREA IF POSSIBLE.
STAY AWAY FROM STORAGE TANK ENDS. COOL FIRE-EXPOSED CONTAINERS
W/WATER FROM SIDE UNTIL WELL AFTER FIRE IS OUT.
Unusual Fire/Explosion Hazard:CONTENTS ARE UNDER PRESSURE; CONTAINERS
MAY RUPTURE VIOLENTLY & TRAVEL A CONSIDERABLE DISTANCE. WATER
CONTACT W/LIQUEFIED GASES MAY CAUSE VIOLENT EXPLOSIONS.

Spill Release Procedures:DON'T TOUCH SPILLED MATERIAL. STOP LEAK IF YOU
CAN DO SO W/OUT RISK. KEEP UNNECESSARY PEOPLE AWAY; ISOLATE HAZARD
AREA & DENY ENTRY. VENTILATE CLOSED SPACES BEFORE ENTERING.

Handling and Storage Precautions:STORE IN ACCORDANCE W/29 CFR 1910.101.

Respiratory Protection:ANY SUPPLIED-AIR RESPIRATOR OPERATED IN
PRESSURE-DEMAND OR OTHER POSITIVE PRESSURE MODE. SELF-CONTAINED
BREATHING APPARATUS W/FULL FACEPIECE OPERATED IN PRESSURE-DEMAND OR
OTHER POSITIVE PRESSURE MODE .
Ventilation:PROVIDE GENERAL DILUTION
Protective Gloves:WEAR FULL PROTECTIVE, COLD INSULATING
Eye Protection:SPLASH-PROOF, SAFETY GOGGLES
Other Protective Equipment:EYE WASH FOUNTAIN & QUICK DRENCH SHOWER
Work Hygienic Practices:REMOVE & WASH CONTAMINATED CLOTHES BEFORE
REUSE. WASH HANDS THOROUGHLY AFTER HANDLING.
Supplemental Safety and Health

Boiling Pt:B.P. Text:-452F/-269C
Melt/Freeze Pt:M.P/F.P Text:-458F/-272C
Vapor Pres:1719
Vapor Density:0.138
Spec Gravity:0.147
Solubility in Water:0.94%
Appearance and Odor:COLORLESS LIQUID, TASTELESS, ODORLESS

Stability Indicator/Materials to Avoid:YES
WATER (MAY CAUSE VIOLENT EXPLOSIONS DUE TO RAPID TEMPERATURE FLUCTIONS
WHEN IN CONTACT W/LIQUEFIED GASES)
Stability Condition to Avoid:HEAT, OPEN FLAME, PHYSCIAL DAMAGE &
OVERHEATING

Waste Disposal Methods:OBSERVE ALL FEDERAL, STATE & LOCAL REGULATIONS
WHEN STORING OR DISPOSING OF THIS SUBSTANCE. FOR ASSISTANCE,
CONTACT THE DISTRICT DIRECTOR OF THE ENVIRONMENTAL PROTECTION
AGENCY. UN 1963.

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.