Process for preparing 1,2-dichloro-1,1,2-trifluoroethane

Details Process for preparing 1,2-dichloro-1,1,2-trifluoroethane Process for preparing 1,2-dichloro-1,1,2-trifluoroethane

C - Chemistry, Metallurgy

07

C

260/658.2

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

Patent

CA 2020852

"PROCESS FOR PREPARING 1,2-DICHLORO-1,1,2-TRIFLUOROETHANE" Abstract of the Disclosure 1,2-dichloro-1,1,2-trifluoroethane is prepared, with high yields, by reacting, in the gas phase, tetrachloro- ethylene with hydrofluoric acid, operating in the presence of a catalyst consisting of a chrome salt, for example CrCl3, carried on AlF3 having a specific surface of at least 25 m2/ 9, and at temperatures ranging from 220° to 280°C.

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