HCFC Properties R-142b

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Chlorodifluoroethane

CClF2-CH3

1-Chloro-1,1-difluoroethane
CAS number 75-68-3
Molecular weight 112.5
Boiling point, C -9.2
Melting point, C -130,8
Critical temperature, C 137.1
Critical pressure, bar 41.19
Specific density liquid at 20 C, g/cm3 1.12
Viscosity liquid at -15 C, mPa.s 0.43
Flammability  flammable
Ignition temperature, C 632
Explosion limit, % volume in air 6-18
Thermal conductivity, gas phase, W/mK 0.012 (20 C)
Vapor pressure at 20C, bar absol. 2.9
Vapor pressure at 50C, bar absol. 6.8
Solubility in water, 21C, g/l 1.9 

Last edited on:

July 06, 2006

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