Refrigerant
A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle. In most cycles it undergoes phase transitions from a liquid to a gas and back again. Many working fluids have been used for such purposes.
R-12
| IUPAC ID | Dichlorodifluoromethane |
| Formula | CCl2F2 |
| Molar mass | 120.91 g/mol |
| Boiling point | -29.8 °C |
| Melting point | -157.7 °C |
| Density | 1.49 g/cm³ |
| R-12 cylinder color | white |
R-134A
| IUPAC ID | 1,1,1,2-Tetrafluoroethane |
| Formula | CH2FCF3 |
| Boiling point | -26.3 °C |
| Density | 4.25 kg/m³ |
| Melting point | −103.3 °C (−153.9 °F; 169.8 K) |
| Molar mass | 102.03 g/mol |
| R-134a cylinde color | light blue |
R-410A
| Boiling point | -48.5 °C |
| Melting point | -155 °C |
| Formula | 50%CH2F2 50%CHF2CF3 |
| Critical pressure, MPa | 4.86 |
| Liquid density (30°C), kg/m3 | 1040 |
| R-410A cylinde color | pink |
R-22
| IUPAC name | Chlorodifluoromethane |
| Molar mass | 86.47 g/mol |
| Formula | CHClF2 |
| Density | 3.66 g/cm³ |
| Boiling point | −40.7 °C (−41.3 °F; 232.5 K) |
| Melting point | −175.42 °C (−283.76 °F; 97.73 K) |
| R-22 cylinder color | light green |
R-600A
| IUPAC ID | isobutane |
| Formula | C4H10 |
| Boiling point | -11.7 °C |
| Melting point | -159.6 °C |
| Molar mass | 58.12 g/mol |
| Density | 2.51 kg/m³ |
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