Patent ID: 7524999

Claim:
A process for the preparation of 1,1,1,3,3,3-hexafluoropropane, comprising: (a) contacting at least one halopropane of the formula CF 3 CH 2 CH y X 3-y , wherein each X is independently selected from the group consisting of F, Cl and Br, and y is 3, 2, or 1, with Cl 2 in the liquid phase in the presence of light or a free radical initiator to produce a mixture comprising CF 3 CH 2 CCl y X 3-y ; (b) contacting the CF 3 CH 2 CCl y X 3-y produced in step (a) with HF, optionally in the presence of a fluorination catalyst, to produce a product mixture comprising CF 3 CH 2 CF 3 ; and (c) recovering CF 3 CH 2 CF 3 from the mixture produced in step (b).