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Thermo–physical properties of R245fa and R123.
| Working Fluid | Molecular Weight (g/mol) | Tnb 1 (K) | Tcr 2 (K) | Pcr 3 (kPa) | ODP 4 | GWP 5 | ASHRAE 6 Safety Group |
|---|---|---|---|---|---|---|---|
| R245fa | 134.05 | 15.14 | 154.01 | 3651 | 0 | 858 | B1 |
| R123 | 152.93 | 27.82 | 183.68 | 3662 | 0.012 | 120 | B1 |
1 Tnb is normal boiling temperature; 2 Tcr is critical temperature; 3 Pcr is critical pressure; 4 ODP is ozone depletion potential; 5 GWP is global warming potential; 6 ASHRAE is American society of heating, refrigerating, and air-conditioning engineers.
