Product ID:HELIUM
MSDS Date:09/01/1985
FSC:6830
NIIN:01-008-3431
MSDS Number: BGSQX

Emergency Phone: 304-744-3487

Info Phone: 304-744-3487

Cage: 36346

Telephone: 800-822-4357; 304-744-3487

Cage: 36346

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: 100%

OSHA PEL SIMPLE ASPHYXIANT

ACGIH TLV: SIMPLE ASPHYXIANT

LD50 LC50 Mixture: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:ACUTE: ASPHYXIANT. MODERATE
CONCENTRATIONS MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS,
EXCITATION, EXCESS SALIVATION, VOMITING AND UNCONSCIOUSNESS.
CHRONIC: NO EVIDENCE OF ADVERSE EFFECTS FROM AVAILABL E
INFORMATION.
Explanation of Carcinogenicity:NOT LISTED
Effects of Overexposure:INHALATION: ASPHYXIANT. MODERATE CONCENTRATIONS
MAY CAUSE HEADACHE, DROWSINESS, DIZZINESS, EXCITATION, EXCESS
SALIVATION, VOMITING AND UNCONSCIOUSNESS.
Medical Cond Aggravated by Exposure:OVEREXPOSURE IS UNLIKELY TO
AGGRAVATE EXISTING MEDICAL CONDITIONS.

First Aid:INHALATION: REMOVE TO FRESH AIR. GIVE ARTIFICIAL RESPIRATION
IF NOT BREATHING. GIVE OXYGEN IF BREATHING IS DIFFICULT. CALL A
PHYSICIAN. EYES: FLUSH WITH WATER. SKIN: WASH WITH SOAP AND WATER.
NOTE TO PHYSICIAN: THERE IS NO SPECIFIC ANTIDOTE. THIS PRODUCT IS
INERT. TREATMENT OF OVEREXPOSURE SHOULD BE DIRECTED AT THE CONTROL
OF SYMPTOMS AND THE CLINICAL CONDITION.

Flash Point:NONE
Extinguishing Media:HELIUM CANNOT CATCH FIRE. USE MEDIA APPROPRIATE FOR
SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.
IMMEDIATELY DELUGE CONTAINERS WITH WATER SPRAY FROM MAXIMUM
DISTANCE UNTIL COOL, THEN MOVE CONTAINERS AWAY FROM AREA.
Unusual Fire/Explosion Hazard:HELIUM CANNOT CATCH FIRE. CONTAINER MAY
RUPTURE DUE TO HEAT OF FIRE. KEEP TEMPERATURE BELOW 125F. MOST
CONTAINERS HAVE A PRESSURE RELIEF VALVE TO VENT CONTENTS.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA. USE
SELF-CONTAINED BREATHING APPARATUS WHERE NEEDED. SHUT OFF LEAK IF
WITHOUT RISK. VENTILATE AREA OF LEAK OR MOVE LEAKING CONTAINERS TO
WELL-VENTILATED AREA. TEST AREA FOR SUFFICIENT OXYGEN PRIOR TO
ENTRY.
Neutralizing Agent:NONE

Handling and Storage Precautions:NEVER WORK ON A PRESSURIZED SYSTEM. IF
THERE IS A LEAK, CLOSE THE CYLINDER VALVE, BLOW DOWN THE SYSTEM BY
VENTING TO A SAFE PLACE, THEN REPAIR LEAK.
Other Precautions:CAUTION:HIGH PRESSURE GAS. USE PIPING & EQUIPMENT
ADEQUATELY DESIGNED TO WITHSTAND PRESSURES TO BE ENCOUNTERED. CAN
CAUSE RAPID SUFFOCATION DUE TO OXYGEN DEFICIENCY. STORE & USE WITH
ADEQUATE VENTILAT ION. CLOSE VALVE WHEN NOT IN USE/EMPTY.

Respiratory Protection:USE NIOSH/MSHA APPROVED RESPIRATOR IN ACCORDANCE
WITH OSHA 29 CFR 1910.134.
Ventilation:LOCAL EXHAUST PREFERRED, MECHANICAL ACCEPTABLE.
Protective Gloves:WORK GLOVES FOR CYLINDER HANDLING.
Eye Protection:SELECT GOGGLES I/A/W OSHA 29 CFR1910.133
Other Protective Equipment:METATARSEL SHOES FOR CYLINDER HANDLING (OSHA
29 CFR 1910.132 & 133).
Work Hygienic Practices:NONE
Supplemental Safety and Health
DO NOT STRIKE ARC ON CYLINDER. FOR SAFETY INFORMATION ON GENERAL
HANDLING OF COMPRESSED GAS CYLINDERS, OBTAIN A COPY OF PAMPHLET
P-1, "SAFE HANDLING OF COMPRESSED GASES IN CONTAINERS" FROM THE
COMPRES SED GAS ASSOCIATION, INC. 1235 JEFFERSON DAVIS HIGHWAY,
ARLINGTON, VA 22202.

HCC:G3
Boiling Pt:B.P. Text:-452F,-269C
Vapor Pres:GAS
Vapor Density:0.138
Spec Gravity:GAS
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS GAS AT NORMAL TEMPERATURE AND PRESSURE;
ODORLESS.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
NONE CURRENTLY KNOWN. HELIUM IS CHEMICALLY INERT.
Stability Condition to Avoid:HIGH TEMPERATURES ABOVE 125F.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE OUTDOORS. DISCARD
ANY PRODUCT, RESIDUE, DISPOSABLE CONTAINER OR LINER IN AN
ENVIRONMENTALLY ACCEPTABLE MANNER, IN FULL COMPLIANCE WITH
FEDERAL,STATE AND LOCAL REGULATION S.

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.