Patent ID: 6040486
Filing Date: 2000-03-21
Classification: B01J,C07C

Abstract:
A process for producing 2-chloro-1,1,1-trifluoroethane comprising the step of reacting a trihaloethene of the formula CX.sub.2 .dbd.CHCl wherein each X is chlorine or fluorine, with HF in the gaseous phase at an elevated temperature in the presence of a supported metal catalyst; wherein said catalyst is a catalyst of metal fluoride on a fluorinated alumina support having an atomic ratio of F to Al of at least 2.7:1 and containing .beta.-aluminum fluoride; wherein said supported metal includes zinc and optionally includes one or more other metals selected from Groups VIII, VIIB, VIB, IIIB, IIB and IB of the Periodic Table and elements having atomic numbers between 57 and 71; and wherein zinc is at least about 0.1 percent by weight of the catalyst and is at least about 40 percent by weight of the metal on said support.