HYDROFLUORINATION OF 2-CHLORO-3,3,3-TRIFLUOROPROPENE TO 2-CHLORO-1,1,1,2-TETRAFLUOROPROPANE WITH CATALYSTS OF SBCL3, SBCL5, SBF5, TICL4, SNCL4, CR2O3 AND FLUORINATED CR2O3

1 . A process for making 2-chloro-1,1,1,2-tetrafluoropropane, comprising hydrofluorinating 2-chloro-3,3,3-trifluoropropene in the presence of a catalyst selected from the group consisting of SbCl 3 , SbCl 5 , SbF 5 , TiCl 4 , SnCl 4 , Cr 2 O 3 , and fluorinated Cr 2 O 3 .

2 . The process of claim 1 , wherein the catalyst is in bulk form.

3 . The process of claim 1 , wherein the catalyst is supported.

4 . The process of claim 3 , wherein the support is at least one support selected from the group consisting of: carbon, alumina, fluorinated alumina, aluminum fluoride, alkaline earth metal oxides, fluorinated alkaline earth metals, zinc oxide, zinc fluoride, tin oxide, and tin fluoride.

5 . The process of claim 1 , wherein the catalyst is activated using anhydrous hydrogen fluoride, anhydrous chlorine or chlorine.

6 . The process of claim 1 , wherein 2-chloro-3,3,3-trifluoropropene further comprises HCl.

7 . The process of claim 5 , wherein the catalyst is activated by continuous or batch addition of anhydrous chlorine.

8 . The process of claim 1 , wherein the hydrofluorination is vapor-phase fluorination or liquid-phase fluorination.

9 . The process of claim 8 , wherein the catalyst for said vapor-phase fluorination reaction is selected from the group consisting of: SbCl 5 supported on activated carbon, Cr 2 O 3 bulk or supported, and fluorinated Cr 2 O 3 bulk or supported.

10 . The process of claim 8 , wherein the vapor-phase fluorination reaction is carried out at a temperature of about 30° C. to about 200° C.

11 . The process of claim 10 , wherein the vapor-phase fluorination reaction is carried out at a temperature of about 50° C. to about 120° C.

12 . The process of claim 8 , wherein the vapor-phase fluorination reaction is carried out at a pressure of about 5 psia to about 200 psia.

13 . The process of claim 12 , wherein the vapor-phase fluorination reaction is carried out at a pressure of about 30 psia to about 175 psia.

14 . The process of claim 5 , wherein the mole ratio of hydrogen fluoride to 2-chloro-3,3,3-trifluoropropene is from about 1:1 to about 30:1.

15 . The process of claim 14 , wherein the mole ratio of hydrogen fluoride to 2-chloro-3,3,3-trifluoropropene is from about 2:1 to about 15:1.

16 . The process of claim 5 where the catalyst is activated by the continuous or batch addition of chlorine.

17 . The process of claim 8 , wherein the catalyst for liquid-phase fluorination reaction is SbCl 5 .

18 . The process of claim 8 , wherein the liquid-phase fluorination reaction is carried out at a temperature of about 30° C. to about 200° C.

19 . The process of claim 18 , wherein the liquid-phase fluorination reaction is carried out at a temperature of about 50° C. to about 120° C.

20 . The process of claim 8 , wherein the liquid-phase fluorination reaction is carried out at a pressure of about 15 psia to about 200 psia.

21 . The process of claim 20 , wherein the liquid-phase fluorination reaction is carried out at a pressure of about 50 psia to about 175 psia.