HCFC Properties R-134a

Home

Tetrafluoroethane

CF3-CH2F

1,1,1,2 tetrafluoroethane
CAS number 811-97-2
Molecular weight, kg/kmol 102
Boiling point at 1.013 bar, F (C) -15.1 (-26.3)
Freezing point at 1.013 bar, F ( C) -141.9 (-101)
Critical temperature, F ( C) 214 (101.1)
Critical pressure, psia (bar) 589.9 (40.6)
Critical Volume, ft3/lb, (m3/kg) 0.031 (0.00195)
Critical Density, lb/ft3, (kg/m3) 31.97 (512)
Vapor Density @ Boiling Point, lb/ft3 (kg/m3) 0.328 (5.26)
Density liquid at -15 C, lb/ft3 (kg/dm3) 83.8 (1.343)
Density liquid at 20 C, lb/ft3 (kg/dm3) 76.5 (1.226)
Liquid Heat Capacity, Btu/lb F (kJ/kg.K) 0.340 (1.425)
Heat of vaporization at -15 C, Btu/lb (kJ/kg) 92.4 (206.8)
Vapor Pressure, psia (kPa) 96.49 (665.5)
Liquid Thermal Conductivity, Btu/hr.ftF (mW/m.K) 0.0478 (81.9)
Thermal conductivity, gas phase at 20 C, Btu/hr.ftF (mW/m.K) 0.00812 (13.3)
Liquid Viscosity, Pa.s 212.9
Vapor Viscosity, Pa.s 12.2
Solubility of HCFC in water (wt%) 0.11
Solubility of HCFC 1 in water (wt%) 0.15 
Auto Ignition Temperature, F (C) 1418 (770)
Flammability non flammable

Last edited on   :

July 06, 2006

Copyright, Design, Layout and Technical Content by: