HCFC is a compound family restricted by US EPA requirement as follows:
Class II Ozone-depleting Substances |
Chemical Name |
HCFC-21 (CHFCl2) Dichlorofluoromethane |
HCFC-22 (CHF2Cl) Monochlorodifluoromethane |
HCFC-31 (CH2FCl) Monochlorofluoromethane |
HCFC-121 (C2HFCl4) Tetrachlorofluoroethane |
HCFC-122 (C2HF2Cl3) Trichlorodifluoroethane |
HCFC-123 (C2HF3Cl2) Dichlorotrifluoroethane |
HCFC-124 (C2HF4Cl) Monochlorotetrafluoroethane |
HCFC-131 (C2H2FCl3) Trichlorofluoroethane |
HCFC-132b (C2H2F2Cl2) Dichlorodifluoroethane |
HCFC-133a (C2H2F3Cl) Monochlorotrifluoroethane |
HCFC-141b (C2H3FCl2) Dichlorofluoroethane |
HCFC-142b (C2H3F2Cl) Monochlorodifluoroethane |
HCFC-221 (C3HFCl6) Hexachlorofluoropropane |
HCFC-222 (C3HF2Cl5) Pentachlorodifluoropropane |
HCFC-223 (C3HF3Cl4) Tetrachlorotrifluoropropane |
HCFC-224 (C3HF4Cl3) Trichlorotetrafluoropropane |
HCFC-225ca (C3HF5Cl2) Dichloropentafluoropropane |
HCFC-225cb (C3HF5Cl2) Dichloropentafluoropropane |
HCFC-226 (C3HF6Cl) Monochlorohexafluoropropane |
HCFC-231 (C3H2FCl5) Pentachlorofluoropropane |
HCFC-232 (C3H2F2Cl4) Tetrachlorodifluoropropane |
HCFC-233 (C3H2F3Cl3) Trichlorotrifluoropropane |
HCFC-234 (C3H2F4Cl2) Dichlorotetrafluoropropane |
HCFC-235 (C3H2F5Cl) Monochloropentafluoropropane |
HCFC-241 (C3H3FCl4) Tetrachlorofluoropropane |
HCFC-242 (C3H3F2Cl3) Trichlorodifluoropropane |
HCFC-243 (C3H3F3Cl2) Dichlorotrifluoropropane |
HCFC-244 (C3H3F4Cl) Monochlorotetrafluoropropane |