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Product Name
Dichlorodifluoromethane (R12)
Physical Properties
Formula CF2CL2
Molecular Weight 120.9
Boiling point / ℃ -29.8
Critical temperature / ℃ 111.5
Critical pressure / Mpa 4.01
Liquid Density (25 ℃) / (kg / m3) 1309
Heat of vaporization / latent heat of vaporization (boiling point, 1atm), kJ / kg 166
Combustion limit (air) /% (by volume) No
Ozone Depleting Potential (ODP) 0.9
Global Warming (GWP100) 8500
Quality Index
Appearance Colorless and transparent, not cloudy
Odor Odorless
Purity% ≥99.8
Ppm moisture content ≤10
Evaporation residue ppm ≤100
Non-condensable gas (V / V)% ≤1.5
Acidity (as HCL) ppm ≤ 1
Filling factor
Non-refillable welded cylinders: 13.6kg, 22.7 kg;
Refillable welded cylinders: 13.6kg, 110kg, 880kg, 1100kg; mobile tank (ISO TANK)
Packaging logo
Noncombustible gas
UN Number
R22 as of today's most widely used in low-temperature refrigerant, mainly used in home air conditioning, commercial air conditioners, central air conditioning, mobile air conditioning, heat pump water heaters, dehumidifiers, refrigerated dryers, cold storage, food freezing equipment, marine refrigeration equipment, industrial refrigeration , commercial refrigeration, refrigeration condensing units, supermarket display display cabinets and other refrigeration equipment. Two Chlorodifluoromethane polytetrafluoroethylene resin may also be used for the production of raw materials and intermediates 1121 fire extinguishing agent, and for the polymer (plastic) a physical blowing agent.
Storage and transportation
R22 refrigerant cylinders for pressurized containers should be stored away from fire, heat, avoid direct sunlight, usually put storage in a cool, dry and ventilated warehouse; handling with care, light disposal to prevent damage to the cylinder and valves and other accessories .



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