Production of tetrafluoroethanes

Details Production of tetrafluoroethanes Production of tetrafluoroethanes

C - Chemistry, Metallurgy

07

C

C07C 19/08 (2006.01) C07C 17/20 (2006.01) C07C 17/21 (2006.01) C07C 17/358 (2006.01)

Patent

CA 2115430

2115430 9325506 PCTABS00028 A process for the production of tetrafluoroethanes which comprises contacting 1,1,2,2-tetrachloroethane with hydrogen fluoride over a fluorination catalyst/agent in the liquid phase or in the vapour phase at 200 ·C to 400 ·C. 1,1,2,2-tetrafluoroethane produced by the process may be isomerised to 1,1,1,2-tetrafluoroethane. The 1,1,2,2-tetrachloroethane may be co-fed with trichloroethylene to a vapour-phase process for producing 1,1,1,2-tetrafluoroethane from trichloroethylene.

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