CFC – EPA Technician Certification required to purchase CFC refrigerants
| Type | Chemical Name or Component | % Per Component |
|---|---|---|
| R-11 | Trichlorofluoromethane | R-11 (100%) |
| R-12 | Dichlorodifluoromethane | R-12 (100%) |
| R-13 | Chlorotrifluoromethane | R-13 (100%) |
| R-13B1 | Bromotrifluoromethane | R-13B1 (100%) |
| R-113 | Trichlorotrifluoroethane | R-113 (100%) |
| R-114 | 1,2-Dichloro-1,1,2,2-Tetrafluoroethane | R-114 (100%) |
| R-500 | Dichlorodifluoromethane, 1,1-Difluoroethane | R-12 (73.8%), R-152a (26.2%) |
| R-502 | Chloropentafluoroethane, Chlorodifluoromethane | R-115 (51.2%), R-22 (48.8%) |
| R-503 | Chlorotrifluoromethane, Trifluoromethane | R-13 (59.9%), R-23 (40.1%) |
HCFC – EPA Technician Certification required to purchase HCFC refrigerants
| Type | Chemical Name or Component | % Per Component |
|---|---|---|
| R-22 | Chlorodifluoromethane | R-22 (100%) |
| R-123 | Dichlorotrifluoroethane | R-123 (100%) |
| R-124 | 1-Chloro-1,2,2,2-Tetrafluoroethane | R-124 (100%) |
| R-401A | Chlorodifluoromethane, 1-Chloro-1,2,2,2-Tetrafluoroethane, 1,1-Difluoroethane | R-22 (53%), R-124 (34%), R-152a (13%) |
| R-401B | Chlorodifluoromethane, 1-Chloro-1,2,2,2-Tetrafluoroethane, 1,1-Difluoroethane | R-22 (61%), R-124 (28%), R-152a (11%) |
| R-402A | Pentafluoroethane, Chlorodifluoromethane, Propane | R-125 (60%), R-22 (38%), R-290 (2%) |
| R-402B | Chlorodifluoromethane, Pentafluoroethane, Propane | R-22 (60%), R-125 (38%), R-290 (2%) |
| R-408A | Chlorodifluoromethane, 1,1,1-Trifluoroethane, Pentafluoroethane | R-22 (47%), R-143a (46%), R-125 (7%) |
| R-409A | Chlorodifluoromethane, 1-Chloro-1,2,2,2-Tetrafluoroethane, 1-Chloro-1,1 Difluoroethane | R-22 (60%), R-124 (25%), R-142b (15%) |
| R-412A | Chlorodifluoromethane, 1-Chloro-1,1-Difluoroethane, Octafluoropropane | R-22 (70%), R-142b (25%), R-218 (5%) |
| R-414B | Chlorodifluoromethane, 1-Chloro-1,2,2,2-Tetrafluoroethane, 1-Chloro-1,1 Difluoroethane, n-Butane | R-22 (50%), R-124 (39%), R-142b (9.5%), R-600 (1.5%) |
| R-416A | 1,1,1,2-Tetrafluoroethane, 1-Chloro-1,2,2,2-Tetrafluoroethane, n-Butane | R-134a (59%), R-124 (39.5%), R-600 (1.5%) |
HFC – EPA Technician Certification required to purchase HFC refrigerants as of 1/1/2018
| Type | Chemical Name or Component | % Per Component |
|---|---|---|
| R-14 | Tetrafluoromethane | R-14 (100%) |
| R-23 | Trifluoromethane | R-23 (100%) |
| R-116 | Hexafluoroethane | R-116 (100%) |
| R-134a | 1,1,1,2-Tetrafluoroethane | R-134a (100%) |
| R-404A | 1,1,1-Trifluoroethane, Pentafluoroethane, 1,1,1,2-Tetrafluoroethane | R-143a (52%), R-125 (44%), R-134a (4%) |
| R-407A | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, Difluoromethane | R-125 (40%), R-134a (40%), R-32 (20%) |
| R-407B | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, Difluoromethane | R-125 (70%), R-134a (20%), R-32 (10%) |
| R-407C | 1,1,1,2-Tetrafluoroethane, Pentafluoroethane, Difluoromethane | R-134a (52%), R-125 (25%), R-32 (23%) |
| R-407F | 1,1,1,2-Tetrafluoroethane, Difluoromethane, Pentafluoroethane | R-134a (40%), R-32 (30%), R-125 (30%) |
| R-410A | Difluoromethane, Pentafluoroethane | R-32 (50%), R-125 (50%) |
| R-417A | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, n-Butane | R-125 (46.6%), R-134a (50%), R-600 (3.4%) |
| R-421A | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane | R-125 (58%), R-134a (42%) |
| R-422A | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, Isobutane | R-125 (85.1%), R-134a (11.5%), R-600a (3.4%) |
| R-422D | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, Isobutane | R-125 (65.1%), R-134a (31.5%), R-600a (3.4%) |
| R-423A | 1,1,1,2-Tetrafluoroethane, 1,1,1,2,3,3,3-Heptafluoropropane | R-134a (52.5%), R-227ea (47.5%) |
| R-427A | 1,1,1,2-Tetrafluoroethane, Pentafluoroethane, Difluoromethane | R-134a (50%), R-125 (25%), R-32 (15%) |
| R-438A | Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, Difluoromethane, n-Butane, Isopentane | R-125 (45%), R-134a (44.2%), R-32 (8.5%), R-600 (1.7%), R-600a (.6%) |
| R-507 | Pentafluoroethane, 1,1,1-Trifluoroethane | R-125 (50%), R-143a (50%) |
| R-508A | Hexafluoroethane, Trifluoromethane | R-116 (61%), R-23 (39%) |
| R-508B | Hexafluoroethane, Trifluoromethane | R-116 (54%), R-23 (46%) |
HFO – EPA Technician Certification required to purchase HFO refrigerants as of 1/1/2018
| Type | Chemical Name or Component | % Per Component |
|---|---|---|
| R-1234yf | 2,3,3,3-Tetrafluoroprop-1-ene | R-1234yf (100%) |
| R-448A | Difluoromethane, Pentafluoroethane, 1,1,1,2-Tetrafluoroethane, 2,3,3,3-Tetrafluoroprop-1-ene, Trans-1,3,3,3-Tetrafluoroprop-1-ene | R-32 (26%), R-125 (26%), R-134a (21%), R-1234yf (20%), R-1234ze (7%) |
| R-449A | 1,1,1,2-Tetrafluoroethane, 2,3,3,3-Tetrafluoroprop-1-ene, Pentafluoroethane, Difluoromethane | R-134a (25.7%), R-1234yf (25.3%), R-125 (24.7%), R-32 (24.3%) |
| R-450A | Trans-1,3,3,3-Terafluoroprop-1-ene, 1,1,1,2-Tetrafluoroethane | R-1234ze (58%), R-134a (42%) |
| R-452A | Pentafluoroethane, 2,3,3,3-Tetrafluoroprop-1-ene, Difluoromethane | R-125 (59%), R-1234yf (30%), R-32 (11%) |
| R-513A | 2,3,3,3-Tetrafluoroprop-1-ene, 1,1,1,2-Tetrafluoroethane | R-1234yf (56%), R-134a (44%) |