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MATERIAL SAFETY DATA SHEET
MINE SAFETY APPLIANCES COMPANY
29 CFR 1910.1200 OSHA Hazard
P.O. Box 426
Communication Rule Format
Pittsburgh, PA 15230
Chem-Tel 24 Hour Emergency # 1-800-255-3924
PHONE (412) 967-3000
This product contains oxygen and nitrogen, substances subject to the Pennsylvania Worker and Community
Right-To-Know Act.
PRODUCT IDENTITY
LABEL IDENTITY -
MSA P/N 710874 Calibration Check Gas, 990 ppm R - 134a in Air
CHEMICAL NAME -
1,1,1,2 - Tetrafluoroethane in Air
ADDITIONAL IDENTITIES - MSA P/N 710874 Calibration Gas 990 ppm HFC - 134a in Air
FORMULA -
CF3CH2F in Air
APPLICABLE CHEMICAL CONTENTS
%
TWA
CF3CH2F (CAS 811-97-2)
0.099
None established*
Air
Balance
None
*suggested 1000 ppm TWA by refrigerant mfg.
NOTE: Gas under Pressure, 1000 PSIG at 70°F, and contains approx. 100 Liters Gas at Atmospheric Pressure
PHYSICAL AND CHEMICAL PROPERTIES
APPEARANCE AND ODOR - Colorless, gas mixture with a slight ethereal odor.
BOILING POINT - N/A
SPECIFIC GRAVITY (H2O = 1) - N/A
VAPOR PRESSURE - N/A
PERCENT VOLATILE BY VOLUME - N/A
VAPOR DENSITY (AIR = 1) - > 1
SOLUBILITY IN WATER -
CF3CH2F - approx. 36 cm
3/100 ml (25°C)
Oxygen - 3.2 cm3/100 ml (25°C)
Nitrogen - 2.3 cm3/100 ml (0°C)
*N/A - Not Applicable
PHYSICAL HAZARD INFORMATION
PHYSICAL HAZARD - Compressed gas, 1000 PSIG at 70°F
CONDITIONS OR MATERIALS TO AVOID - Avoid bases. Avoid powdered active metals such as aluminum, alkali metals or
alkaline earth metals.
FLASH POINT - N/A
EXTINGUISHING MEDIA - This calibration gas mixture is non-flammable.
SPECIAL FIRE FIGHTING PROCEDURES - 1,1,1,2 - Tetrafluoroethane decomposes at high temperatures yielding toxic
halogen compounds. Use self-contained pressure demand type breathing apparatus with full-face piece.
UNUSUAL FIRE AND EXPLOSION HAZARDS - Gas under pressure, 1000 PSIG at 70°F. Do Not Exceed 120°F.
MSA P/N 710874
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