HCFC Properties HFC-23

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Trifluoromethane

CHF3

Molecular weight, kg/kmol 70.0
Boiling point at 1.013 bar, C -82.0
Freezing point, C -155.0
Critical temperature, C 26.3
Critical pressure, bar 48.7
Critical density, kg/m3 527
Critical volume, m3/kg 1.90 x 10-3
Density liquid at -40 C, kg/m3 1274
Density liquid at +20 C, kg/m3 824
Density saturated vapor at -40 C, kg/m3 30.47
Density saturated vapor at +20 C, kg/m3 259.67
Heat of vaporization at -90 C, kJ/kg 248.4
Specific heat capacity1) (liquid), kJ/kgK 1.355
Specific heat capacity2) (vapor), kJ/kgK 0.674

Last edited on:

July 06, 2006

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