Product ID:HELIUM (HIGH PRESSURE GAS)
MSDS Date:04/01/1988
FSC:6830
NIIN:00-782-2656
MSDS Number: BGSQK

Emergency Phone: 203-744-3487/304-744-3487

Info Phone: 203-744-3487

Cage: 36346

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

Cage: 36346

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: 100%

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 HEADCHE,DROWSINESS, DIZZINESS, EXCITATION,
EXCESS SALIVATION, VOMITING AND UNCONSCIOUSNESS. CHRONIC: NO
EVIDENCE OF ADVERSE EFFECTS FROM AVAILABLE I NFORMATION.
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 P HYSICIAN: 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:NA
Autoignition Temp:Autoignition Temp Text:NA
Lower Limits:NA
Upper Limits:NA
Extinguishing Media:HELIUM CANNOT CATCH FIRE. USE MEDIA APPROPRIATE FOR
SURROUNDING FIRE.
Fire Fighting Procedures:EVACUATE ALL PERSONNEL FROM DANGER AREA.IMMED
DELUGE CNTNRS W/WATER SPRAY FROM MAXIMUM DISTANCE UNITL COOL THEN
MOVE CNTNRS AWAY FROM FIRE AREA IF W/O RISK.
Unusual Fire/Explosion Hazard:HELIUM(HI PRESSURE GAS)CAN'T CATCH
FIRE.CNTNR MAY RUPTURE DUE TO HEAT OF FIRE.NO PARAT OF CNTNR SHOULD
BE SUBJ TO TEMP HIGHER THAN 52C.MOST CNTNRS ARE (SUPPLE)

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 CONTAINER TO
WELL VENTILATED AREA. T EST AREA FOR SUFFICIENT OXYGEN PRIOR
TOENTRY.
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, MECHNICAL 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 CFR1910.133.)
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
Melt/Freeze Pt:M.P/F.P Text:-458F,-272C
Decomp Temp:Decomp Text:NP
Vapor Pres:GAS
Vapor Density:0.138
Spec Gravity:GAS
pH:NP
Viscosity:NP
Evaporation Rate & Reference:NA
Solubility in Water:NEGLIGIBLE.
Appearance and Odor:COLORLESS, ODORLESS GAS.
Percent Volatiles by Volume:100
Corrosion Rate:NP

Stability Indicator/Materials to Avoid:YES
NONE CURRENTLY KNOWN.
Stability Condition to Avoid:NONE SPECIFIED BY MANUFACTURER.
Hazardous Decomposition Products:NONE

Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE OUTDOORS. DISCARD
ANU 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.