Product ID:A-1025 HELIUM MIXTURE
MSDS Date:03/01/1988
FSC:6830
NIIN:00D002328
MSDS Number: BHYBR

UNION CARBIDE CORP., LINDE DIV.

39 OLD RIDGEBURY RD
DANBURY, CT 06817-0001
US

Emergency Phone: 304-744-3487

Info Phone: 304-744-3487

Cage: 36346

UNION CARBIDE CORP LINDE DIV

DANBURY, CT 06817-0001 US

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

Cage: 36346

HELIUM

CAS: 7440-59-7

RTECS: MH6520000

Fraction By Weight: 90%

ARGON

CAS: 7440-37-1

RTECS: CF2300000

Fraction By Weight: 7.5%

ACGIH TLV: ASPHYXIANT; 9192

CARBON DIOXIDE

CAS: 124-38-9

RTECS: FF6400000

Fraction By Weight: 2.5%

OSHA PEL 5000 PPM

ACGIH TLV: 5000PPM/30000STEL;93

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:THIS GAS IS AN ASPHYXIANT. IT HAS NO
OTHER HAZARDS OF ITS OWN, BUT IS INTENDED TO BE USED IN WELDING
OPERATIONS WHICH DO POSE HAZARDS. SEE LINDE'S "PRECAUTIONS AND SAFE
PRACTICES FOR ELECTRIC WELDING AND CUTTING" L52-529. ALSO SEE
HAZARDS ASSOCIATED WITH THE WELDING ROD BEING USED.
Explanation of Carcinogenicity:NONE OF THE COMPOUNDS IN THIS PRODUCT IS
LISTED BY IARC, NTP, OR OSHA AS A CARCINOGEN.
Effects of Overexposure:INHALATION:DIFFICULTY IN BREATHING, CHOKING,
DIZZINESS,LOSS OF CONSCIOUSNESS.
Medical Cond Aggravated by Exposure:NONE GIVEN BY MANUMACTURER.

First Aid:INHALATION:REMOVE TO FRESH AIR. RESTORE BREATHING OR GIVE
OXYGEN AS NECESSARY. CONSULT A PHYSICIAN.

Flash Point:NON-FLAMMABLE
Extinguishing Media:PRODUCT IS NON FLAMMABLE. EXTINGUISH FIRE WITH
MEDIA APPROPRIATE FOR SOURCE OF FIRE.
Fire Fighting Procedures:FIRE FIGHTERS SHOULD USE NIOSH APPROVED SCBA &
FULL PROTECTIVE EQUIPMENT WHEN FIGHTING CHEMICAL FIRE. USE WATER
SPRAY TO COOL NEARBY CONTAINERS EXPOSED TO FIRE.
Unusual Fire/Explosion Hazard:CONTAINER MAY EXPLODE IN FIRE.

Spill Release Procedures:VENTILATE AREA. USE SELF CONTAINED BREATHING
APPARATUS. IF SPILL (LEAK) IS LARGE ENOUGH, EVACUATE THE AREA.
Neutralizing Agent:NONE

Handling and Storage Precautions:STORE IN A COOL, DRY, WELL VENTILATED
AREA. KEEP CONTAINERS TIGHTLY CLOSED WHEN NOT IN USE. PROTECT
CONTAINERS FROM PHYSICAL DAMAGE.
Other Precautions:NONE

Respiratory Protection:USE RESPIRATOR APPROPRIATE FOR WELDING FUME
DURING WELDING OPERATION. USE NIOSH/MSHA APPROVED AIR SUPPLIED
RESPIRATOR OR SELF CONTAINED BREATHING APPARATUS WHEN THERE IS A
GAS LEAK.
Ventilation:GENERAL ROOM VENTILATION IS NORMALLY ADEQUATE. USE LOCAL
EXHAUST IF NECESSARY TO CONTROL EXPOSURE BELOW PEL/TLV.
Protective Gloves:WELDERS GLOVES
Eye Protection:WELDERS FACE SHIELD OR GOGGLES
Other Protective Equipment:BODY PROTECTION AS DICTATED BY THE WELDING
OPERATION.
Work Hygienic Practices:USE GOOD WELDER'S HYGIENE PRACTICE. WASH
THOROUGHLY BEFORE EATING OR DRINKING.
Supplemental Safety and Health
SEE ANSI BOOKLET Z49.1;"SAFETY IN WELDING AND CUTTING" AND NFPA
BULLETIN 51B "CUTTING AND WELDING PROCESSES". MSDS NO L-4713-B.

HCC:G3
Vapor Pres:GAS
Vapor Density:0.266
Spec Gravity:GAS
Evaporation Rate & Reference:GAS
Solubility in Water:NEGLIGIBLE
Appearance and Odor:CLEAR COLORLESS GAS, ODORLESS
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
NONE
Stability Condition to Avoid:HIGH TEMPERATURES THAT OVER PRESSURE
CYLINDER
Hazardous Decomposition Products:THIS GAS DOES NOT DECOMPOSE UNDER
ORDINARY CONDITIONS. ITS USE IN WELDING WILL NOT ELIMINATE WELDING
HAZARDS.

Waste Disposal Methods:DISPOSE I/A/W ALL FEDERAL, STATE AND LOCAL
REGULATIONS.

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.