Briton Refrigerant R141B

Briton Refrigerant R141B (1,1-Dichloro-1-fluoroethane)

1,1-Dichloro-1-fluoroethane is a haloalkane with the formula C2H3Cl2F. It is one of the three isomers of dichlorofluoroethane. It belongs to the hydrochlorofluorocarbon family (HCFC).


1,1-Dichloro-1-fluoroethane is mainly used as a refrigerant under the names R-141b or HCFC-141b.

Physico-chemical properties

It is a non-flammable, colourless liquid in atmospheric conditions. The compound is very volatile and its smell has been described as “usually ethereal”.

Physical Properties

Physical Properties of Briton Refrigerant R141B (1,1-Dichloro-1-fluoroethane)

Molecular formula C2H3Cl2F
The molecular weight116.95
Boiling point (℃) 32.00
Freezing temperature (℃)-
Critical pressure (KPa) 4250
Liquid density 30℃ (g/m3)1221
Ozone depleting potential ODP0.086
Global warming coefficient GWP700.00