Product ID:HELIUM
MSDS Date:11/25/1985
FSC:6830
NIIN:00-660-0027
MSDS Number: BJZBT

Emergency Phone: 800-866-4422/800-424-9300(CHEMTREC)

Info Phone: 704-333-5475(X308)/FAX 344-1711

Cage: 18264

Telephone: 704-333-5475

Cage: 18264

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Health Hazards Acute and Chronic:EFFECTS OF EXPOSURE TO HIGH
CONCENTRATIONS SO AS TO DISPLACE THE OXYGEN IN THE AIR NECESSARY
FOR LIFE ARE HEADACHE, DIZZINESS, LABORED BREATHING AND EVENTUAL
UNCONSCIOUSNESS. BREATHING MIXTURES OF HEL IUM WITH ADEQUATE OXYGEN
TO SUPPORT LIFE MODIFIES THE VOICE SOUND SO THAT IT IS HIGHER
"PITCHED".

First Aid:PROMPT MEDICAL ATTENTION IS MANDATORY IN ALL CASES OF
OVEREXPOSURE TO HELIUM. RESCUE PERSONNEL SHOULD BE EQUIPPED WITH
SELF-CONTAINED BREATHING APPARATUS. INHALATION: QUICKLY REMOVE TO
FRESH AIR. MOVE UNCONSCIOUS PERSONS TO UNCONTAMINATED AREA. GIVE
MOUTH-TO-MOUTH RESUSCITATION AND SUPPLEMENTAL OXYGEN. FURTHER
TREATMENT SHOULD BE SYMPTOMATIC AND SUPPORTIVE.

Flash Point:NA
Extinguishing Media:NONFLAMMABLE, INERT GAS.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROPRIATE PROTECTIVE EQUIPMENT. IF LEAK IS IN CONTAINER OR
CONTAINER VALVE, CONTACT YOUR CLOSEST SUPPLIER LOCATION OR CALL THE
EMERGENCY TELEPHONE NUMB ER LISTED HEREIN.

Supplemental Safety and Health
HELIUM IS DEFINED AS A SIMPLE ASPHYXIANT. MAINTAIN OXYGEN LEVELS AT
GREATER THAN 18 MOLAR PERCENT AT NORMAL ATMOSPHERIC PRESSURE WHICH
IS EQUIVALENT TO A PARTIAL PRESSURE OF 135 MM HG. HELIUM IS NONTO
XIC BUT THE LIBERATION OF A LARGE AMOUNT IN A CONFINED AREA COULD
DISPLACE AMOUNT OF OXYGEN IN AIR NECESSARY FOR LIFE.

HCC:G3
Boiling Pt:B.P. Text:-452F,-269C
Melt/Freeze Pt:M.P/F.P Text:-457F,-271C
Decomp Temp:Decomp Text:N/K *LB/FT3
Vapor Density:.0103 *
Spec Gravity:.138 @ 70 F
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS

Stability Indicator/Materials to Avoid:YES

Waste Disposal Methods:DO NOT DISPOSE OF WASTE OR UNUSED AMOUNTS.
RETURN IN THE SHIPPING CONTAINER PROPERLY LABELED W/VALVE OUTLET
PLUGS OR CAPS SECURED & VALVE PROTECTION CAP IN PLACE TO YOUR
SUPPLIER. FOR EMERG DISPOSAL, CONTACT CLOSEST SUPPLIER OR CALL THE
EMERG NUMBER.

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.