Process for preparing pentafluoroethane by dismutation of...

Details Process for preparing pentafluoroethane by dismutation of... Process for preparing pentafluoroethane by dismutation of...

C - Chemistry, Metallurgy

07

C

C07C 19/08 (2006.01) C07C 17/20 (2006.01) C07C 17/37 (2006.01)

Patent

CA 2096165

Pentafluoroethane (HFC 125) is selectively prepared by dismutation of tetrafluorochloroethane (HCFG 124) effected by contacting the latter, in the gas phase, with a Cr2O3 catalyst at temperatures ranging from 150° to 330°C. Along with HFC 125, also HCFC 123 substantially free from isomers 123a and 123b is obtained.

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