Product ID:P-5 GAS MIXTURE, ELECTRON CAPTURE GAS
MSDS Date:08/01/1987
FSC:6830
NIIN:00F008425
MSDS Number: BGVFN

AIR PRODUCTS & CHEMICALS, INC.

ALLENTOWN, PA 18195

Emergency Phone: (800) 523-9374

Info Phone: (215) 481-8257

Cage: 00742

AIR PRODUCTS AND CHEMICALS INC

ALLENTOWN, PA 18195-1501 US

Telephone: 800-345-3148/ 800-752-1597

Cage: 00742

METHANE

CAS: 74-82-8

RTECS: PA1490000

Fraction By Weight: 5%

ACGIH TLV: ASPHYXIANT; 9192

ARGON

CAS: 7440-37-1

RTECS: CF2300000

Fraction By Weight: 95%

ACGIH TLV: ASPHYXIANT; 9192

Routes of Entry: Inhalation:YES Skin:NO Ingestion:NO
Reports of Carcinogenicity:NTP:NO IARC:NO OSHA:NO
Health Hazards Acute and Chronic:INHALATION: HEADACHE, DIZZINESS,
LABORED BREATHING & EVENTUAL UNCONSCIOUSNESS.
Explanation of Carcinogenicity:NONE
Effects of Overexposure:INHALATION: HEADACHE, DIZZINESS, LABORED
BREATHING, & EVENTUAL UNCONSCIOUSNESS.

First Aid:INHALATION: CONSCIOUS PERSON SHOULD BE ASSISTED TO AN
UNCONTAMINATED AREA & FRESH AIR. QUICK REMOVAL FROM THE
CONTAMINATED AREA IS MOST IMPORTANT. UNCONSCIOUS PERSONS SHOULD BE
MOVED TO AN UNCONTAMINA TED AREA, GIVEN MOUTH-TO-MOUTH
RESUSCITATION & SUPPLEMENTAL OXYGEN. MEDICAL ASSISTANCE SHOULD BE
SOUGHT IMMEDIATELY.

Fire Fighting Procedures:IF POSSIBLE WITHOUT RISK, MOVE CYLINDERS AWAY
FROM FIRE AREA. FROM A SAFE DISTANCE, COOL SURROUNDING CYLINDERS
WITH WATER SPRAY UNTIL WELL AFTER FIRE IS OUT.
Unusual Fire/Explosion Hazard:CYLINDERS EXPOSED TO FIRE/INTENSE HEAT
MAY VENT RAPIDLY/EXPLODE.

Spill Release Procedures:EVACUATE ALL PERSONNEL FROM AFFECTED AREA. USE
APPROPRIATE PROTECTIVE EQUIPMENT. IF LEAK IS IN USER'S EQUIPMENT,
BE CERTAIN TO PURGE PIPING WITH AN INERT GAS PRIOR TO ATTEMPTING
REPAIRS.

Handling and Storage Precautions:PROTECT CYLINDERS FROM PHYSICAL
DAMAGE. STORE IN COOL, DRY, WELL-VENTILATED AREA AWAY FROM HEAVILY
TRAVELED AREAS/EMERGENCY EXITS.
Other Precautions:DON'T ALLOW THE TEMP WHERE CYLINDERS ARE STORED TO
EXCEED 125F. CYLINDERS SHOULD BE STORED UPRIGHT/FIRMLY SECURED TO
PREVENT FALLING OR BEING KNOCKED OVER. FULL/EMPTY CYLINDERS SHOULD
BE SEGREGATED. D ON'T DRAG, SLIDE OR ROLL CYLINDERS.

Respiratory Protection:POSITIVE PRESSURE AIR MASK OR SCBA SHOULD BE
AVAILABLE FOR EMERGENCY USE.
Ventilation:USE HOOD W/FORCED VENTILATION/LOCAL EXHAUST TO PREVENT
BUILD-UP OF P-5 GAS THAT COULD REDUCE OXYGEN IN AIR TO <18%.
Protective Gloves:AS REQUIRED
Eye Protection:SAFETY GOGGLES, GLASSES
Other Protective Equipment:SAFETY SHOES
Work Hygienic Practices:USE A SUITABLE HAND TRUCK FOR CYLINDER
MOVEMENT.
Supplemental Safety and Health
KEEP VALVE PROTECTION CAPS IN PLACE UNLESS CYLINDER IS SECURED W/VALVE
OUTLET PIPED TO USE POINT. USE PRESSURE REDUCING REGULATOR WHEN
CONNECTING CYLINDER TO LOWER PRESSURE. DON'T HEAT CYLINDER TO INC
REASE THE DISCHARGE RATE OF PRODUCT. USE A CHECK VALVE OR TRAP IN
DISCHARGE LINE TO PREVENT BACKFLOW.

Boiling Pt:B.P. Text:-302.58F
Melt/Freeze Pt:M.P/F.P Text:-308.8F
Vapor Density:0.102
Spec Gravity: 1.3
Solubility in Water:NEGLIGIBLE
Appearance and Odor:COLORLESS, ODORLESS GAS

Stability Indicator/Materials to Avoid:YES

Waste Disposal Methods:FOLLOW ALL FEDERAL, STATE, & LOCAL REGULATIONS.
DON'T DISPOSE OF UNUSED QUANTITIES. RETURN PROPERLY LABELED
SHIPPING CONTAINER TO AIR PRODUCTS FOR DISPOSAL W/VALVE TIGHTLY
CLOSED, OUTLET SEAL SECURED, & VALVE PROTECTION IN PLACE.

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.