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Product Name
-Difluoroethane (R152a)
Physical Properties
Formula CH3CHF2 
Molecular Weight 66.1
Boiling point / ℃ -24
Critical temperature / ℃ 113.3
Critical pressure / Mpa 4.52
Liquid Density (25 ℃) / (kg / m3) 0.899
Heat of vaporization / latent heat of vaporization (boiling point, 1atm), kJ / kg 330.5
Combustion limit (air) /% (by volume) 3.9~16.9
Ozone Depleting Potential (ODP) 0
Global Warming (GWP100) 140
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: -
Refillable welded cylinders: 100L, 800L, 1000L; mobile tank (ISO TANK)
Packaging logo
Flammable gases
UN Number
R152a is mainly used for the preparation of mixed refrigerants, aerosol, foaming agents.
Storage and transportation
R152a 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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