| Properties | R‑410A | R‑427A | R‑407A | R‑407C | R‑134a | R‑404A | R‑507A | R‑22 | R‑408A | R‑409A | R‑123 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Average Molecular Weight (g/mol) | 72.6 | 90.4 | 90.1 | 86.2 | 102.0 | 97.6 | 98.9 | 86.5 | 87.0 | 97.4 | 152.9 |
| Normal Boiling Point (NBP) (°F) | -60.6 | -45.3 | -49.0 | -46.5 | -14.9 | -51.2 | -52.1 | -41.5 | -48.2 | -30.0 | 82.1 |
| Latent Heat of Vaporization at NBP (BTU/lb) | 117.4 | 101.8 | 101.3 | 107.2 | 93.4 | 86.4 | 84.7 | 100.6 | 97.1 | 95.7 | 73.2 |
| Critical Temp (°F) | 160.4 | 185.6 | 180.1 | 186.9 | 213.9 | 161.7 | 159.1 | 205.1 | 181.7 | 228.7 | 362.6 |
| Critical Pressure (psia) | 711.0 | 637.0 | 654.9 | 671.4 | 588.8 | 540.8 | 537.4 | 723.7 | 622.9 | 681.5 | 531.1 |
| Density of Saturated Vapor @ NBP (lb/ft3) | 0.26 | 0.30 | 0.30 | 0.29 | 0.33 | 0.34 | 0.35 | 0.29 | 0.30 | 0.31 | 0.40 |
| Density of Saturated Liquid at 77°F (lb/ft3) | 66.1 | 70.5 | 71.5 | 71.0 | 75.3 | 65.2 | 65.4 | 74.3 | 66.1 | 75.8 | 91.4 |
| Specific Heat of Saturated Vapor at NBP (BTU/lb °R) |
0.19 | 0.19 | 0.18 | 0.19 | 0.19 | 0.19 | 0.19 | 0.14 | 0.17 | 0.16 | 0.17 |
| Specific Heat of Saturated Liquid at 77°F (BTU/lb °R) |
0.41 | 0.36 | 0.36 | 0.37 | 0.34 | 0.37 | 0.37 | 0.30 | 0.35 | 0.29 | 0.24 |
| Ozone Depletion Potential (ODP) (CFC-11 = 1.0) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.055 | 0.026 | 0.05 | 0.02 |
| Global Warming Potential (GWP) | 1,924 | 2,024 | 1,923 | 1,624 | 1,300 | 3,943 | 3,985 | 1,760 | 3,257 | 1,485 | 79 |
| ASHRAE Safety Group Classification | A1 | A1 | A1 | A1 | A1 | A1 | A1 | A1 | A1 | A1 | B1 |
| Occupational Exposure Limits (8 hr time/wt. Avg.) (ppm) | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 1,000 | 50 |
Basic property data (Europe)
| 407C | 404A | 134A | 410A | 22 | |
|---|---|---|---|---|---|
| Average Molecular Weight | 86.2 | 97.6 | 102.0 | 72.6 | 86.5 |
| Boiling Point @ 1 atm (°F) | -46.1* | -51.5* | -14.9 | -61.6* | -41.3 |
| Density of Saturated Vapor @ b.p.(lb./cu. ft.) | 0.29 | 0.34 | 0.33 | 0.26 | 0.29 |
| Density of Saturated Liquid @ 77°F(lb./cu. ft.) | 71.12 | 65.17 | 75.31 | 67.66 | 76.92 |
| Critical Temp.(°F) | 187.2 | 161.6 | 214.0 | 162.0 | 204.8 |
| Critical Pressure (psia) | 690.1 | 539.5 | 589.8 | 713.0 | 721.9 |
| Latent Heat of Vaporization @ b.p. (BTU/lb.) | 107.4 | 86.0 | 92.8 | 116.7 | 100.5 |
| Specific Heat of Liquid @ 77°F (BTU/lb. °F) | 0.38 | 0.39 | 0.34 | 0.44 | 0.30 |
| Specific Heat of Vapor @ 1 atm (BTU/lb. °F) | 0.17 | 0.18 | 0.19 | 0.17 | 0.14 |
| Temperature Glide (°F) | 10.5 | 1.5 | 0.0 | 0.2 | 0.0 |
| Flammable Limits in Air non | non flammable | non flammable | non flammable | non flammable | non flammable |
| Ozone Depletion Potential (ODP, CFC 11=1.0) | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 |
| Halocarbon Greenhouse Warming Potential (HGWP, CFC 11=1.0) | 0.34 | 0.96 | 0.33 | 0.34 | 0.43 |
| ASHRAE Safety Group Classification | A1/A1 | A1/A1 | A1 | A1/A1 | A1 |
| Workplace Environ. Exposure Level (WEEL) (8 hr. time/wt. avg.) | 1000ppm | 1000ppm | 1000ppm | 1000ppm | 1000ppm |