R134a (1,1,1,2-Tetrafluoroethane)


                    R134a cylinder packing

[Chemical Formula]CH2FCF3

[Properties]

 

Molar mass 102.03 Critical pressure, MPa 4.07
Boiling point (1 atm), °C -26.1 Critical density, g/cm3 0.512
Freezing point - Vaporization heat below boiling point, KJ/kg 215.00
Saturated liquid density(25 °C), g/cm3 1.207
Critical temperature, °C 101.1 Solubility(in water)(25 °C), w% 0.15
Vapor pressure(25 °C), KPa 661.9 Specific heat(25 °C), liquid, KJ/kg °C 1.51
ODP 0.29 GWP 0.00

[Specification]

 

Determination Specification
Appearance Colourless and not turbid
Purity, % ≥99.9
Moisture mg/kg ≤10.0
Acidity(HCl), mg/kg ≤1.0
Evaporation residuemg/kg ≤100.0
Smell Ether(slight)

[Usage]R134a is also known as Freon 134a, HFC-134a. It is a refrigerant to replace CFC -12 in mobile air conditioning and in residential, commercial and industrial refrigeration systems. R134a is also used as a blowing agent in rigid foam insulation, blended with cyclopentane, R245fa and 365mfc. And R134a is also an important component of blends such as R404a, R407c, etc. Attempts at phasing out its use as a refrigerant with substances that have lower global warming potential, such as HFO-1234yf, are underway.

[packing]R-134a main packings are 926L cylinder, 50b/30b cylinders, ISO Tank, 340g/500g/800g/1000g small cans. R134a cylinders are colored light blue.

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