1,1-dichloro-1,2,2,2-tetrafluoroethane

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture containing about 8% 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and about 92% 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 477 hours. For an 3 hour period at 560° C., at an average time in synthesis of 275 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 2.2:1, and a liquid feed rate of 1.0 mL/hr of the combined 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 96% and the average conversion of the 1,2-dichloro isomer was 92%. The reactor effluent contained in addition to HCl and hydrogen, 17.4% HFC-134, 4.5% HCFC-124a and 2.0% CFC-114, as well as 2.0% HFC-134a, 0.5% HCFC-124 and 0.1% CFC-114a. For an 3 hour period at 560° C. at an average time in synthesis of 275 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture containing about 8% 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and about 92% 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 477 hours. For an 11 hour period at 470° C., at an average time in synthesis of 67 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 2.1:1, and a liquid feed rate of 2.0 mL/hr of the combined 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 86% and the average conversion of the 1,2-dichloro isomer was 48%. The reactor effluent contained in addition to HCl and hydrogen, 2.3% HFC-134, 10.2% HCFC-124a and 13.9% CFC-114, as well as 0.4% HFC-134a, 1.6% HCFC-124 and 0.3% CFC-114a. For an 11 hour period at 470° C. at an average time in synthesis of 67 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture containing about 8% 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and about 92% 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 477 hours. For an 11 hour period at 470° C., at an average time in synthesis of 67 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 2.1:1, and a liquid feed rate of 2.0 mL/hr of the combined 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 86% and the average conversion of the 1,2-dichloro isomer was 48%. The reactor effluent contained in addition to HCl and hydrogen, 2.3% HFC-134, 10.2% HCFC-124a and 13.9% CFC-114, as well as 0.4% HFC-134a, 1.6% HCFC-124 and 0.3% CFC-114a. For an 11 hour period at 470° C. at an average time in synthesis of 67 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of CFC-114a, HCFC-22 and hydrogen were fed to a reactor operated at several temperatures for 40 hours. For a 10.5 hour period at 600° C., at an average time in synthesis of 14 hours, with liquid feed rates of 5.5 mL/hr of CFC-114a and 1 mL/hr of HCFC-22, a hydrogen feed rate of 250 cc/min (1 atm. and room temperature basis); a molar ratio of hydrogen to (HFC-114 at HCFC-22) of 10:1 was provided, and the organic component of the reactor effluent contained an average (area percent) of 51.6% HFC-134a, 35.6% HCFC-124, 0.22% CFC-114a, 4.1% HFC-32 and 5.4% HCFC-22.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of CFC-114a, HCFC-22 and hydrogen were fed to a reactor operated at several temperatures for 40 hours. For a 10.5 hour period at 600° C., at an average time in synthesis of 14 hours, with liquid feed rates of 5.5 mL/hr of CFC-114a and 1 mL/hr of HCFC-22, a hydrogen feed rate of 250 cc/min (1 atm. and room temperature basis); a molar ratio of hydrogen to (HFC-114 at HCFC-22) of 10:1 was provided, and the organic component of the reactor effluent contained an average (area percent) of 51.6% HFC-134a, 35.6% HCFC-124, 0.22% CFC-114a, 4.1% HFC-32 and 5.4% HCFC-22.

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Various mixtures of 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 170 hours. For an 11 hour period at 600° C., at an average time in synthesis of 50 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 11:1, and a liquid feed rate of 13.2 mL/hr of an equal mixture of the 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 98% and the average conversion of the 1,2-dichloro isomer was 80%. The reactor effluent contained in addition to HCl and H2 1.36% HFC-134, 0.67% HCFC-124a and 0.68% CFC-114, as well as 1.34% HFC-134a, 2.04% HCFC-124 and 0.06% CFC-114a. at an average time in synthesis of 50 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Various mixtures of 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 170 hours. For an 11 hour period at 600° C., at an average time in synthesis of 50 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 11:1, and a liquid feed rate of 13.2 mL/hr of an equal mixture of the 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 98% and the average conversion of the 1,2-dichloro isomer was 80%. The reactor effluent contained in addition to HCl and H2 1.36% HFC-134, 0.67% HCFC-124a and 0.68% CFC-114, as well as 1.34% HFC-134a, 2.04% HCFC-124 and 0.06% CFC-114a. at an average time in synthesis of 50 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a), dichlorodifluoromethane (CFC-12) and hydrogen were fed to a reactor operated at several temperatures for 92 hours. For a 10.5 hour period at 600° C., at an average time in synthesis of 38 hours, with liquid feed rates of 11.9 mL/hr of CFC-114a and 1.2 mL/hr of CFC-12 and a hydrogen feed rate of 500 cc/min (1 atm. and room temperature basis); a molar ratio of (CFC-114a+CFC-12):H2 equal to 1:11 was provided, and the organic component of the reactor effluent contained an average (area percent) of 0.97% difluoromethane (HFC-32), 1.57% chlorodifluoromethane (FCFC-22), and 0.25% CFC-12, as well as 37.7% HFC-134A, 56.0% HCFC-124 and 2.8% CFC-114a. For a 10.5 hour period at 600° C. at an average time in synthesis of 38 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a), dichlorodifluoromethane (CFC-12) and hydrogen were fed to a reactor operated at several temperatures for 92 hours. For a 10.5 hour period at 600° C., at an average time in synthesis of 38 hours, with liquid feed rates of 11.9 mL/hr of CFC-114a and 1.2 mL/hr of CFC-12 and a hydrogen feed rate of 500 cc/min (1 atm. and room temperature basis); a molar ratio of (CFC-114a+CFC-12):H2 equal to 1:11 was provided, and the organic component of the reactor effluent contained an average (area percent) of 0.97% difluoromethane (HFC-32), 1.57% chlorodifluoromethane (FCFC-22), and 0.25% CFC-12, as well as 37.7% HFC-134A, 56.0% HCFC-124 and 2.8% CFC-114a. For a 10.5 hour period at 600° C. at an average time in synthesis of 38 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of CFC-114a, chloropentafluoroethane (CFC-115) and hydrogen were fed to a reactor operated at several temperatures for 93 hours. For a 10.5 hour period at 650° C., at an average time in synthesis of 37 hours, with liquid feed rates of 6.1 mL/hr of CFC-114a and 0.7 mL/hr of CFC-115 and a hydrogen feed rate of 260 cc/min (1 atm. and room temperature basis); a molar ratio of (CFC-114a+CFC-115):H2 equal to 1:11 was provided, and the organic component of the reactor effluent contained an average (area percent) of 4.09% pentafluoroethane (HFC-125), 0.35% (CFC-115), 86.1% HFC-134a, 6.76% HCFC-124 and less than 0.1% CFC-114a. At 600° C. and the same feed rates, for a 10.5 hour period at an average time in synthesis of 61 hours, the organic composition of the reactor effluent was 2.50% HFC-125, 1.62% CFC-115, 54.7% HFC-134a, 40.0% HCFC-124 and 0.41% CFC-114a. For a 10.5 hour period at 650° C. at an average time in synthesis of 37 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Mixtures of CFC-114a, chloropentafluoroethane (CFC-115) and hydrogen were fed to a reactor operated at several temperatures for 93 hours. For a 10.5 hour period at 650° C., at an average time in synthesis of 37 hours, with liquid feed rates of 6.1 mL/hr of CFC-114a and 0.7 mL/hr of CFC-115 and a hydrogen feed rate of 260 cc/min (1 atm. and room temperature basis); a molar ratio of (CFC-114a+CFC-115):H2 equal to 1:11 was provided, and the organic component of the reactor effluent contained an average (area percent) of 4.09% pentafluoroethane (HFC-125), 0.35% (CFC-115), 86.1% HFC-134a, 6.76% HCFC-124 and less than 0.1% CFC-114a. At 600° C. and the same feed rates, for a 10.5 hour period at an average time in synthesis of 61 hours, the organic composition of the reactor effluent was 2.50% HFC-125, 1.62% CFC-115, 54.7% HFC-134a, 40.0% HCFC-124 and 0.41% CFC-114a. For a 10.5 hour period at 650° C. at an average time in synthesis of 37 hours

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: A mixture containing about 8% 2,2-dichloro-1,1,1,2-tetrafluoroethane (CFC-114a) and about 92% 1,2-dichloro-1,1,2,2-tetrafluoroethane (CFC-114) and hydrogen were fed to the reactor for a period of 477 hours. For an 3 hour period at 560° C., at an average time in synthesis of 275 hours, with a feed molar ratio of hydrogen to CFC-114/114a isomers of 2.2:1, and a liquid feed rate of 1.0 mL/hr of the combined 2,2-dichloro and the 1,2-dichloro isomers, the average conversion of the 2,2-dichloro isomer was 96% and the average conversion of the 1,2-dichloro isomer was 92%. The reactor effluent contained in addition to HCl and hydrogen, 17.4% HFC-134, 4.5% HCFC-124a and 2.0% CFC-114, as well as 2.0% HFC-134a, 0.5% HCFC-124 and 0.1% CFC-114a. For an 3 hour period at 560° C. at an average time in synthesis of 275 hours