Product ID:HELIUM
MSDS Date:07/10/1986
FSC:6830
NIIN:00F769995
MSDS Number: BHCWK

Emergency Phone: 1-800-322-9092

Info Phone: 215-481-4911

Cage: 00742

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

Cage: 5H199

HELIUM

CAS: 7440-59-7

RTECS: NH6520000

Routes of Entry: Inhalation:YES Skin:YES Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:EXTENSIVE TISSUE DAMAGE OR BURNS CAN
RESULT FROM EXPOSURE TO LIQUID HELIUM OR COLD HELIUM VAPORS.
Explanation of Carcinogenicity:HELIUM IS A SIMPLE ASPHYXIANT & HAS NO
TLV
Effects of Overexposure:MAY PRODUCE DIZZINESS, NAUSEA, VOMITING, LOSS
OF CONSCIOUSNESS, & DEATH. HELIUM IS ODORLESS AND NONTOXIC, BUT MAY
PRODUCE SUFFOCATION BY DILUTING THE CONCENTRA TION OF OXYGEN IN AIR
BELOW LEVELS NECE SSARY TO SUPPORT LIFE.

First Aid:REMOVE PERSON TO AREA WITH NORMAL ATMOSPHERE. ASSISTED
RESPIRATION & SUPPLEMENTLOXYGEN SHOULD BE GIVEN IF THE VICTIM IS
NOT BREATHING. IF CRYOGENIC LIQUID/COLD BOIL OFF GAS CONTACTS
WORKER'S SKIN/EYES , FROZEN TISSUES SHOULD BE FLOODED ORSOAKED
W/TEPID WATER(105-115F;41-46C). DO NOT USE HOT WATER. CRYOGENIC
BURNS WHICH RESULT IN BLISTERING/DEEPER TISSUE FREEZING SHOULD
BE SEEN BY A PHYSICIAN

Flash Point:NA
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:NA
Fire Fighting Procedures:NA
Unusual Fire/Explosion Hazard:NA

Spill Release Procedures:AVOID CONTACT OF SKIN W/LIQ HELIUM OR COLD
BOILOFFGAS. FLUSH LIQ SPILL W/WATER TO DISPERSE.VENTILATEENCLSD
AREAS TO PREVENT FORMATION OF OXYGEN DEFIC IENT ATMOSPHERES CAUSED
BY EVAPORATION OF LIQUID HELIUM OR RELEASE OF GASEOUS HELIUM

Handling and Storage Precautions:SECURE CYLINDERS WHEN IN USE.USE
SUITABLE HNDTRUCKKEEP CYLINDERS AWAY FROM SOURCES OF HEAT & HEAVY
TRAFFIC AREA. SEGREGATE FULL/EMPTY CYLINDERS.
Other Precautions:AVOID EXPOSURE TO AREAS WHERE SALT OR CORROSIVE
CHEMICALS ARE PRESENT. AVOID USEOF CARBON STEEL & OTHER METALS
WHICH BECOME BRITTLE AT LOW TEMPERATURES. USE ONLY METALS &
MATERIALS COMPATIBLE W/EXT REMELY LOW TEMPERATURES.

Respiratory Protection:USE SELFCONTAINED BREATHING APPARATUS IN OXYGEN
DEFICIANT ATMOSHPERE. CAUTION!! RESPIRATORS WILL NOT FUNCTION. USE
MAY RESULT IN ASPHYXIATION.
Ventilation:NATURAL OR MECHANICAL WHERE GAS IS PRESENT
Protective Gloves:LOOSE FITTNG GLVS/IMPERMEABLE (LEATHER)
Eye Protection:SAFETY GLASSES/CHEMICAL GOGGLES.
Other Protective Equipment:NONE
Supplemental Safety and Health
NK

Boiling Pt:B.P. Text:**SEE BELOW
Vapor Pres:NA
Vapor Density:1ATM.01114
Spec Gravity:1 ATM 0.138
Solubility in Water:1 ATM 0.861% B/VOL
Appearance and Odor:COLORLESS AND ODORLESS IN BOTH GASEOUS AND LIQUID
STATES

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:NONE
Hazardous Decomposition Products:NONE
Conditions to Avoid Polymerization:**BOILING PT: -452.1F/-268.9C

Waste Disposal Methods:ALL LIQUID HELIUM TO EVAPORATE IN WELL
VENTILATED LOCATION REMOTE FROM WORK AREA.VENT HELIUM GAS SLOWLY
TO A WELL VENTL OUTDOOR LOCATION REMOTE FROM WORK AREAS.DONOT
ATTEMPT TO DISPOSE OF RESIDU AL HELIUM IN COMPRESSED GAS CYLINDERS.

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.