Product ID:CARBON DIOXIDE-ARGON MIXTURE IDL-4715-B
MSDS Date:03/01/1988
FSC:6830
NIIN:01-194-0029
MSDS Number: BHCCR

UNION CARBIDE CORPORATION-LINDE DIVISION

39 OLD RIDGEBURY ROAD
DANBURY, CT 06817-0001
US

Emergency Phone: 1-800-822-4357 CANADA 514-640-6400

Info Phone: LOCAL SUPPLIER

Cage: 36346

UNION CARBIDE CORP LINDE DIV

DANBURY, CT 06817-0001 US

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

Cage: 36346

ARGON

CAS: 7440-37-1

RTECS: CF2300000

Fraction By Weight: 75%

ACGIH TLV: ASPHYXIANT; 9192

CARBON DIOXIDE

CAS: 124-38-9

RTECS: FF6400000

Fraction By Weight: 25%

OSHA PEL 5000 PPM

ACGIH TLV: 5000PPM/30000STEL;93

Routes of Entry: Inhalation:YES Skin:YES Ingestion:YES
Health Hazards Acute and Chronic:SWALLOWING-THIS PRODUCT IS A GAS AT
NORMAL TEMP & PRESSURE. SKIN-NO EVIDENCE OF ADVERSE EFFECTS.
INHALATION-ASPHYXIANT. MODERATE CONCENTRATIONS MAY CAUSE HEADACHE,
DROWSINESS, DIZZINESS, STINGING OF T HE NOSE AND THROAT,
EXCITATION, RAPID BREATHING, INCREASED HEART RATE, EXCESS
SALIVATION, VOMITING AND UNCONSCIOUSNESS.
Effects of Overexposure:LABORATORY DATA=1 STUDY REPORTED INCREASE
INCIDENCE OF CARDIAC MALFORMATIONS IN OFFSPRING OF FEMALE RATS
EXPOSED FOR 24 HRS. THERE IS NO INFORMATION AVAILABLE TO CONFIRM OR
REFUTE THE EFFECTS REPORTED . THE RELEVANCE OF THIS INFORMATION TO
HUMANS IS UNKNOWN. FUMES AND GASES CAN BE DANGER MAY CAUSE SERIOUS
LUNG DAMAGE.
Medical Cond Aggravated by Exposure:A KNOWLEDGE OF THE AVAILABLE
TOXICOLOGY INFORMATION AND OF THE PHYSICAL AND CHEMICAL PROPERTIES
OF THE MATERIAL SUGGEST THAT OVEREXPOSURE IS UNLIKELY TO AGGRAVATE
EXISTING MEDICAL CONDITIONS.

First Aid:SKIN-NONE ANTICIPATED. INHALATION-REMOVE TO FRESH AIR,OBTAIN
MEDICAL ATTENTION.EYE-FLUSH WITH WATER.OBTAIN MEDICAL ATTN IF
DISCOMFORT PERSISTS. SWALLOWING-PRODUCT IS A GAS AT NORMAL
TEMPERATURES AND P RESSURES. NOTE TO PHYSICIAN THERE IS NOSPECIFIC
ANTIDOTE. TREATMENT OF OVEREXPOSURE SHOULD BE DIRECTED AT THE
CONTROL OF SYMPTOMS AND THE CLINICAL CONDITION.

Extinguishing Media:GAS MIXTURE CANNOT CATCH FIRE. USE MEDIA
APPROPRIATE FOR SURROUNDING FIRE.
Fire Fighting Procedures:COOL CYLINDERS WITH WATER SPRAY FROM MAX
DISTANCE UNTIL COOL. ARCS AND SPARKS CAN IGNITE COMBUSTIBLES. SEE
AMER NTL STD Z49.1 "SAFETY IN WELDING & CUTTING.
Unusual Fire/Explosion Hazard:CONTAINER MAY RUPTURE DUE TO HEAT OF
FIRE. NO PART OF A CONTAINER SHOULD BE SUBJECTED TO A TEMP HIGHER
THAN 52C(125F).

Spill Release Procedures:GAS MIXTURE IS AN ASPHYXIANT. EVACUATE ALL
PERSONNEL FROM DANGER AREA. USE SELF-CONTAINED BREATHING APPARATUS
WHERE NEEDED. TEST AREA, ESPECIALLY CONFINED AREAS FOR SUFFICIENT
OXYGEN CONTENT PRIOR TO PERMITTING RE-ENTRY OF PERSONNEL.

Handling and Storage Precautions:ARC & SPARKS DURING USE COULD BE THE
SOURCE OF IGNITION OF COMBUSTIBLE MATERIALS. PREVENT FIRES. REFER
TO NFPA 51B CUTTING AND WELDING PROCESSES.
Other Precautions:MIXTURES: WHEN TWO OR MORE GASES, OR LIQUIFIED GASES
BE MIXED, THEIR HAZARDOUS PROPERTIES MAY COMBINE TO CREATE
ADDITIONAL, UNEXPECTED HAZARDS. CONSULT AN INDUSTRIAL HYGIENIST, OR
OTHER TRAINED PERSON WHEN YOU MAKE YOUR SAFETY EVALUATION.

Respiratory Protection:USE RESPIRABLE FUME RESPIRATOR OR AIR SUPPLIED
RESPIRATOR WHEN WORKING IN CONFINED SPACE OR WHERE LOCAL EXHAUST OR
VENTILATION DOES NOT KEEP EXPOSURE BELOW TLV.SELECT AS PER OSHA
29CFR1910.134.
Ventilation:AVOID USING ELECTRIC ARCS IN THE PRESENCE OF CHLORINATED
HYDROCARBON VAPORS.SEE BELOW UNDER SUPPLEMENTAL SAFETY ETC.
Protective Gloves:WELDING GLOVES RECOMMENDED.
Eye Protection:WEAR HELMENT OR FACESHIELD W/FILTER LEN.
Other Protective Equipment:AS NEEDED WEAR HAND,HEAD AND BODY
PROTECTION. SEE ANSIZ49.1
Work Hygienic Practices:NONE LISTED.
Supplemental Safety and Health
HIGHLY TOXIC PHOSGENE MAY BE PRODUCED. AVOID ARC OPERATIONS ON PARTS
WITH PHOSPHATE RESIDUES (ANTI-RUST, CLEANING PREPARATIONS)-HIGHLY
TOXIC PHOSPHINE MAY BE PRODUCED. HEALTH-OTHER EFFECTS OF OVEREXPO
SURE: DAMAGE TO RETINAL GANGLION CELLS AND CENTRAL NERVOUS SYSTEM
MAY OCCUR.

Vapor Pres:GAS
Vapor Density:1.42
Spec Gravity:GAS
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS AT NORMAL TEMPERATURE AND
PRESSURE.
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
TITANIUM BURNS IN CARBON DIOXIDE ABOVE 550C MAGNESIUM BURNS IN CARBON
DIOXIDE ABOVE 775C.
Stability Condition to Avoid:HIGH PRESSURE GAS. CLOSE VALVE WHEN NOT IN
USE AND WHEN EMPTY.DO NOT STRIKE ARC ON CYLINDER. DO NOT GROUND.
Hazardous Decomposition Products:ARC PROCESS MAY FORM GASEOUS REACTION
PROD SUCH AS CARBON MONOXIDE & CARBON DIOXIDE. OZONE & NITROGEN
OXIDES MAY FORM.

Waste Disposal Methods:SLOWLY RELEASE INTO ATMOSPHERE. DISCARD ANY
PRODUCT, RESIDUE. DISPOSABLE CONTAINER OF LINER IN AN
ENVIRONMENTALLY ACCEPTABLE MANNER IF FULL COMPLIANCE WITH
FED/ST/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.