R-449A PT Chart
A1 GWP 1397Zeotropic blend. HFO/HFC Blend.
Boiling Point
-50.3°F
-45.7°C
Critical Temp
—°F
—°C
Critical Pressure
— psia
— bar
R-449A Pressure-Temperature Graph
R-449A Saturation Pressure Table
Blue values indicate vacuum (below atmospheric pressure).
| °F | °C | PSIG | PSIA | kPa | bar |
|---|---|---|---|---|---|
| -80 | -62.2 | -8.5 | 6.15 | 42.4 | 0.424 |
| -75 | -59.4 | -7.5 | 7.2 | 49.6 | 0.496 |
| -70 | -56.7 | -6.3 | 8.39 | 57.8 | 0.578 |
| -65 | -53.9 | -5.0 | 9.73 | 67.1 | 0.671 |
| -60 | -51.1 | -3.5 | 11.24 | 77.5 | 0.775 |
| -55 | -48.3 | -1.8 | 12.93 | 89.1 | 0.891 |
| -50 | -45.6 | 0.1 | 14.82 | 102.1 | 1.021 |
| -45 | -42.8 | 2.2 | 16.91 | 116.6 | 1.166 |
| -40 | -40.0 | 4.5 | 19.24 | 132.6 | 1.326 |
| -35 | -37.2 | 7.1 | 21.8 | 150.3 | 1.503 |
| -30 | -34.4 | 9.9 | 24.63 | 169.8 | 1.698 |
| -25 | -31.7 | 13.0 | 27.73 | 191.2 | 1.912 |
| -20 | -28.9 | 16.4 | 31.13 | 214.7 | 2.147 |
| -15 | -26.1 | 20.2 | 34.85 | 240.3 | 2.403 |
| -10 | -23.3 | 24.2 | 38.89 | 268.2 | 2.682 |
| -5 | -20.6 | 28.6 | 43.29 | 298.5 | 2.985 |
| 0 | -17.8 | 33.4 | 48.06 | 331.4 | 3.314 |
| 5 | -15.0 | 38.5 | 53.22 | 367.0 | 3.67 |
| 10 | -12.2 | 44.1 | 58.79 | 405.4 | 4.054 |
| 15 | -9.4 | 50.1 | 64.8 | 446.8 | 4.468 |
| 20 | -6.7 | 56.6 | 71.26 | 491.3 | 4.913 |
| 25 | -3.9 | 63.5 | 78.19 | 539.1 | 5.391 |
| 30 | -1.1 | 70.9 | 85.62 | 590.4 | 5.904 |
| 35 | 1.7 | 78.9 | 93.57 | 645.2 | 6.452 |
| 40 | 4.4 | 87.4 | 102.06 | 703.7 | 7.037 |
| 45 | 7.2 | 96.4 | 111.12 | 766.1 | 7.661 |
| 50 | 10.0 | 106.1 | 120.76 | 832.6 | 8.326 |
| 55 | 12.8 | 116.3 | 131.01 | 903.3 | 9.033 |
| 60 | 15.6 | 127.2 | 141.89 | 978.3 | 9.783 |
| 65 | 18.3 | 138.7 | 153.43 | 1057.9 | 10.579 |
| 70 | 21.1 | 151.0 | 165.65 | 1142.1 | 11.421 |
| 75 | 23.9 | 163.9 | 178.58 | 1231.3 | 12.313 |
| 80 | 26.7 | 177.5 | 192.24 | 1325.5 | 13.255 |
| 85 | 29.4 | 192.0 | 206.66 | 1424.9 | 14.249 |
| 90 | 32.2 | 207.2 | 221.86 | 1529.6 | 15.296 |
| 95 | 35.0 | 223.2 | 237.86 | 1640.0 | 16.4 |
| 100 | 37.8 | 240.0 | 254.7 | 1756.1 | 17.561 |
| 105 | 40.6 | 257.7 | 272.4 | 1878.2 | 18.782 |
| 110 | 43.3 | 276.3 | 291.0 | 2006.3 | 20.063 |
| 115 | 46.1 | 295.8 | 310.5 | 2140.8 | 21.408 |
| 120 | 48.9 | 316.3 | 330.96 | 2281.9 | 22.819 |
| 125 | 51.7 | 337.7 | 352.39 | 2429.6 | 24.296 |
| 130 | 54.4 | 360.1 | 374.83 | 2584.3 | 25.843 |
| 135 | 57.2 | 383.6 | 398.3 | 2746.2 | 27.462 |
| 140 | 60.0 | 408.1 | 422.84 | 2915.4 | 29.154 |
| 145 | 62.8 | 433.8 | 448.48 | 3092.2 | 30.922 |
| 150 | 65.6 | 460.6 | 475.25 | 3276.7 | 32.767 |
| 155 | 68.3 | 488.5 | 503.18 | 3469.3 | 34.693 |
| 160 | 71.1 | 517.6 | 532.29 | 3670.0 | 36.7 |
| 165 | 73.9 | 547.9 | 562.57 | 3878.8 | 38.788 |
| 170 | 76.7 | 579.3 | 593.97 | 4095.3 | 40.953 |
| 175 | 79.4 | 611.5 | 626.17 | 4317.3 | 43.173 |
Properties
| ASHRAE Designation | 449A |
| Safety Classification | A1 (non-flammable, low toxicity) |
| GWP (AR5) | 1397 |
| ODP | 0 |
| Molecular Weight | 87.21 g/mol |
| Boiling Point (1 atm) | -50.3°F / -45.7°C |
| Critical Temperature | —°F / —°C |
| Critical Pressure | — psia / — bar |
| Category | HFO/HFC Blend |
Common Applications
- Commercial refrigeration
- R-404A/R-507A replacement