Product ID:HELIUM, COMPRESSED
MSDS Date:03/01/1994
FSC:5855
NIIN:01-115-9014
MSDS Number: CFKSJ

Emergency Phone: 800-523-9374

Info Phone: 215-481-4911

Cage: 00742

Telephone: 800-345-3148/ 800-752-1597

Cage: 00742

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: >99%

LD50 LC50 Mixture:HELIUM IS A SIMPLE ASPHYXIANT
Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION- SIMPLE ASPHYXIANT. HELIUM
IS NON-TOXIC, BUT MAY CAUSE SUFFOCATION BY DISPLACING THE OXYGEN IN
AIR. LCK OF SUFFICIENT OXYGEN CAN CAUSE SERIOUS INJURY OR DEATH.
Effects of Overexposure:EXPOSURE TO N OXYGEN DIFICIENT ATMOSPHERE
(<19.5%) MAY CAUSE DIZZINESS, DROWSINESS, NAUSEA, VOMITING, EXCESS
SALIVATION, DIMINISHED MENTAL ALERTNESS, LOSS OF CONSCIOUSNESS AND
DEATH. EXPOSURE TO ATMOS PHERES CONTAINING 8-10% OR LESS OXYGEN
WILL BRING ABOUT UNCONSCIOUSNESS WITHOUT WARNING & EXTREMELY
QUICKLY.

First Aid:INHALATION- PERSONS SUFFERING FROM LACK OF OXYGEN SHOULD BE
MOVED TO FRESH AIR. IF VICTIM IS NOT BREATHING, ADMINISTER
ARTIFICIAL RESPIRATION. IF BREATHING IS DIFFICULT, ADMINISTER
OXYGEN. OBTAIN PROM PT MEDICAL ATTENTION.

Extinguishing Media:USE EXTINGUISHING MEDIA APPROPRIATE FOR SURROUNDING
FIRE.
Fire Fighting Procedures:HELIUM IS A SIMPLE ASPHYXIANT. IF POSSIBLE,
REMOVE HELIUM CYLINDERS FROM FIRE AREA OR COOL WITH WATER.
SELF-CONTAINED BRETHING APPARATUS MAY BE REQUIRED.
Unusual Fire/Explosion Hazard:UPON EXPOSURE TO INTENSE HEAT OR FLAME
CYLINDER WILL VENT RAPIDLY AND OR RUPTURE VIOLANTLY.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA.
INCREASE VENTILATION TO RELEASE AREA AND MONITOR OXYGEN LEVEL. USE
APPROPRIATE PROTECTIVE EQUIPMENT (SCBA). IF LEAK IS FROM CONTAINER
OR IT'S VALVE, CALL THE AIR PRODUCTS' EMERGENCY TELEPHONE NUMBER.

Handling and Storage Precautions:CYLINDERS SHOULD BE STORED UPRIGHT IN
WELL-VENTILATED, SECURE AREA. TEMPERATURES SHOULD NOT EXCEED 125F.
DO NOT DRAG, ROLL OR SLIDE CYLINDERS.
Other Precautions:ALWAYS STORE AND HANDLE COMPRESSED GASES IN
ACCORDANCE WITH COMPRESSED GAS ASSOCIATION, INC PAMPHLET CGA P-1
(PHONE 703-412-0900)

Respiratory Protection:EMERGENCY: USE SCBA OR POSITIVE PRESSURE AIR
LINE WITH MASK AND ESCPE PACK IN AREAS WHERE OXYGEN CONCENTRATION
IS <19.5%.
Ventilation:PROVIDE GOOD VENTILATION AND/OR LOCAL EXHAUST.
Supplemental Safety and Health
NONE

HCC:G3
Boiling Pt:B.P. Text:-452F,-269C
Vapor Density:0.0103
Spec Gravity:0.138
Solubility in Water:0.0094 VOL/VOL @32F
Appearance and Odor:COLORLESS GAS.

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

Waste Disposal Methods:UNUSED/EMPTY CONTAINER: RETURN CONTAINER AND
UNUSED PRODUCT TO SUPPLIER. DO NOT ATTEMPT TO DISPOSE OF RESIDUAL
OR UNUSED QUANTITIES. DISPOSAL: FOR EMERGENCY DISPOSAL, SECURE THE
CYLINDER AND SLOWLY DI SCHARGE GAS TO THE ATMOSPHERE (WELL
VENTILATED).

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.