Product ID:L-4857-B ANAEROBIC MIXTURE (CO2-HZ-NZ)
MSDS Date:10/01/1993
FSC:6830
NIIN:00F047970
MSDS Number: BZDRS

PRAXAIR INC

39 OLD RIDGEBURY RD
DANBURY, CT 06810-5113
US

Emergency Phone: 800-772-9247

Info Phone: 800-772-9247

Cage: 0LV01

PRAXAIR, INC.

DANBURY, CT 06810-5113 US

Telephone: 800-772-9247; 800-PRAXAIR

Cage: 0LV01

CARBON DIOXIDE *96-1*

CAS: 124-38-9

RTECS: FF6400000

Fraction By Weight: 5%

OSHA PEL 5000 PPM

ACGIH TLV: 9000 MG/CUM

HYDROGEN

CAS: 1333-74-0

RTECS: MW8900000

Fraction By Weight: 100%

ACGIH TLV: SIMPLE ASPHYXIANT

NITROGEN

CAS: 7727-37-9

RTECS: QW9700000

Fraction By Weight: 85%

ACGIH TLV: ASPHYXIANT

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: ASPHYXIANT, LACK OF OXYGEN
CAN CAUSE DEATH.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:ASPHYXIATION, HEADACHE, DROWSINESS, DIZZINESS,
EXCITATION, EXCESS SALIVATION, VOMITING, UNCONSCIOUSNESS.

First Aid:SKIN: WASH W/SOAP & WATER. INHALATION: REMOVE TO FRESH AIR.
GIVE CPR/OXYGEN IF NEEDED. EYES: FLUSH W/WATER. OBTAIN MEDICAL
ATTENTION IN ALL CASES. NOTES TO PHYSICIAN: THERE IS NO SPECIFIC
ANTIDOTE. TR EATMENT OF OVEREXPOSURE SHOULD BE DIRECTED AT THE
CONTROL OF SYMPTOMS & THE CLINICAL CONDITION.

Lower Limits:40
Upper Limits:77
Extinguishing Media:CO2, DRY CHEMICALS, WATER SPRAY/FOG
Fire Fighting Procedures:EVACUATE AREA. COOL CONTAINERS W/WATER SPRAY
FROM MAXIMUM DISTANCE TAKING CARE NOT TO EXTINGUISH FLAMES. REMOVE
IGNITION SOURCES SAFELY. USE SCBA. (SEE SUPP)
Unusual Fire/Explosion Hazard:FLAMMABLE GAS MIXTURE. FLAME MAY BE
INVISIBLE. ESCAPING GAS MAY IGNITE SPONTANEOUSLY. FIREBALL MAY FORM
IF GAS CLOUD IS IGNITED IMMEDIATELY AFTER RELEASE.(SUPP)

Spill Release Procedures:EVACUATE AREA. USE SCBA. REMOVE IGNITION
SOURCES SAFELY. REDUCE REDUCE GAS W/FOG/FINE WATER SPRAY. SHUT OFF
LEAK SAFELY. VENTILATE AREA OF LEAK/MOVE CONTAINER TO WELL
VENTILATED AREA. BEFORE ENTERING CONFINED AREA, CHECK ATMOSPHERE
W/DEVICE.

Handling and Storage Precautions:KEEP AWAY FROM IGNITION SOURCES. STORE
& USE W/ADEQUATE VENTILATION. CLOSE VALVE WHEN NOT IN USE & WHEN
EMPTY. GROUND ALL EQUIPMENT.
Other Precautions:NEVER WORK ON A PRESSURIZED SYSTEM. KEEP AWAY FROM
OXIDIZING AGENTS. USE ONLY SPARK-PROOF TOOLS & EXPLOSION PROOF
EQUIPMENT. USE ONLY IN A CLOSED SYSTEM. WHEN LEAKING, CLOSE THE
CYLINDER VALVE, BLOW D OWN SYSTEM BY VENTING, THEN REPAIR LEAK.

Respiratory Protection:NOT REQUIRED FOR NORMAL USE. AIR SUPPLIED
RESPIRATORS ARE REQUIRED WHILE WORKING IN CONFINED SPACES/IN OXYGEN
DEFICIENT ATMOSPHERE.
Ventilation:LOCAL EXHAUST: EXPLOSION PROOF, TO CONTROL CONCENTRATIONS
IN BREATHING ZONE. MECHANICAL (GENERAL): ACCEPTABLE.
Protective Gloves:REQUIRED
Eye Protection:REQUIRED
Other Protective Equipment:METALARSAL SHOES FOR CYLINDER HANDLING.
Supplemental Safety and Health

Vapor Density:0.905
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS GAS AT NORMAL TEMP & PRESSURE; ODORLESS
Percent Volatiles by Volume:100

Stability Indicator/Materials to Avoid:YES
OXYGEN, OXIDIZING AGENTS.
Stability Condition to Avoid:HEAT, SPARKS, OPEN FLAMES & IGNITION
SOURCES
Hazardous Decomposition Products:NONE

Waste Disposal Methods:PREVENT WASTE FROM CONTAMINATING SURROUNDING
ENVIRONMENT. KEEP PERSONNEL AWAY. DISCARD PRODUCT, RESIDUE;
DISPOSABLE CONTAINER/LINER IN AN ACCEPTABLE MANNER IAW/FEDERAL,
STATE & 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.