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1,1-dichloro-1-fluoroethane (HCFC-141b)


molecular formula: CH3CCl2F             

Physical property

molecular weight 116.95 critical pressure, MPa 4.34
boiling point (1 atm), °C 32.05 critical density, g/cm3 0.433
freezing point (1 atm), °C -103.5 latent heat of evaporation under boiling point, KJ/kg 223.0
density(25 °C), liquid, g/cm3 1.227 steam thermal conductivity(1 atm, 25 °C), mw/mk 8.3
steam density(air=1) 4.1 water solubility(25 °C), w% 0.509
vapour pressure(25 °C), MPa 0.079 specific heat(25 °C), liquid, KJ/kg °C 1.16
volume volatilization rate(20 °C),% 100.0 ODP 0.086
critical temperature, °C 204.5 GWP100 782

Quality Standards (GB/T 18827-2002)

appearance colorless and clear
odor odorless
purity, % ≥99.5
moisture, % ≤0.005
acidity(in HCL), % ≤0.0001
residue on evaporation, % ≤0.01
vinylidene chloride+acetylene dichloride, % ≤0.02

Uses: Foaming agent as alternative to CFC11, and precision cleaning agent to substitute CFC-113.

Packing specification: Non-refillable cylinder 30lb/13.6kg; Steel drum in 30L/30kg, 200L;  ISO tank. 

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