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R134a
R134a

R134a 
1,1,1,2-TETRAFLUOROETHANE
Executive standard GB/T 188260-2002
Molecular formula C2H2F4
Molecular weight102.03
Quality standard

Grade Superior product First-class product
Purity, %,min ≥ 99.9 99.6
Moisture, mg/kg ≤ 5 10
Acidity (as HCI), mg/kg ≤ 1.0 1.0
Evaporated residue, % ≤ 0.01

0.01

Content of non-condensable gas in the gas phase, %(V/V) ≤ 1.5 1.5

Physical properties

Boiling point, ℃ -26.1 Evaporation potential at boiling point, kj/kg 215.0
Critical temperature (℃) 101.1 Specific heat (liquid 25℃)kj/kg.℃ 1.51
Critical pressure, MPa 4.067 Vapor pressure (25℃), MPa 0.665
Critical density, g/cm3 0.5127 ODP 0
Density (25℃), liquid, g/cm3 1.207 GWP 0.29

Uses
Taking the place of CFC-12 as refrigerant. It is widely used in automotive air conditioning and refrigerator.

Packing
13.6kg/30P, 150g/250g, 200g/300g, 250g/350g, or 290g/390g disposable steel cylinder;
108L, 400L, or 926L recyclable steel cylinder.