R-407C PT Chart
A1 GWP 1774Zeotropic blend (R-32/R-125/R-134a). HFC Blend.
Boiling Point
-46.5°F
-43.6°C
Critical Temp
187.2°F
86.2°C
Critical Pressure
671.8 psia
46.32 bar
R-407C Pressure-Temperature Graph
R-407C Saturation Pressure Table
Blue values indicate vacuum (below atmospheric pressure).
| °F | °C | PSIG | PSIA | kPa | bar |
|---|---|---|---|---|---|
| -80 | -62.2 | -9.2 | 5.48 | 37.8 | 0.378 |
| -75 | -59.4 | -8.3 | 6.43 | 44.4 | 0.444 |
| -70 | -56.7 | -7.2 | 7.51 | 51.8 | 0.518 |
| -65 | -53.9 | -6.0 | 8.73 | 60.2 | 0.602 |
| -60 | -51.1 | -4.6 | 10.11 | 69.7 | 0.697 |
| -55 | -48.3 | -3.0 | 11.65 | 80.4 | 0.804 |
| -50 | -45.6 | -1.3 | 13.38 | 92.3 | 0.923 |
| -45 | -42.8 | 0.6 | 15.31 | 105.5 | 1.055 |
| -40 | -40.0 | 2.7 | 17.44 | 120.3 | 1.203 |
| -35 | -37.2 | 5.1 | 19.81 | 136.6 | 1.366 |
| -30 | -34.4 | 7.7 | 22.41 | 154.5 | 1.545 |
| -25 | -31.7 | 10.6 | 25.29 | 174.3 | 1.743 |
| -20 | -28.9 | 13.7 | 28.44 | 196.1 | 1.961 |
| -15 | -26.1 | 17.2 | 31.88 | 219.8 | 2.198 |
| -10 | -23.3 | 20.9 | 35.64 | 245.8 | 2.458 |
| -5 | -20.6 | 25.0 | 39.74 | 274.0 | 2.74 |
| 0 | -17.8 | 29.5 | 44.19 | 304.7 | 3.047 |
| 5 | -15.0 | 34.3 | 49.01 | 337.9 | 3.379 |
| 10 | -12.2 | 39.5 | 54.23 | 373.9 | 3.739 |
| 15 | -9.4 | 45.2 | 59.86 | 412.7 | 4.127 |
| 20 | -6.7 | 51.2 | 65.92 | 454.5 | 4.545 |
| 25 | -3.9 | 57.7 | 72.44 | 499.4 | 4.994 |
| 30 | -1.1 | 64.7 | 79.43 | 547.6 | 5.476 |
| 35 | 1.7 | 72.2 | 86.92 | 599.3 | 5.993 |
| 40 | 4.4 | 80.2 | 94.93 | 654.5 | 6.545 |
| 45 | 7.2 | 88.8 | 103.49 | 713.5 | 7.135 |
| 50 | 10.0 | 97.9 | 112.61 | 776.4 | 7.764 |
| 55 | 12.8 | 107.6 | 122.32 | 843.4 | 8.434 |
| 60 | 15.6 | 117.9 | 132.64 | 914.5 | 9.145 |
| 65 | 18.3 | 128.9 | 143.6 | 990.1 | 9.901 |
| 70 | 21.1 | 140.5 | 155.21 | 1070.1 | 10.701 |
| 75 | 23.9 | 152.8 | 167.51 | 1155.0 | 11.55 |
| 80 | 26.7 | 165.8 | 180.52 | 1244.7 | 12.447 |
| 85 | 29.4 | 179.6 | 194.27 | 1339.4 | 13.394 |
| 90 | 32.2 | 194.1 | 208.77 | 1439.4 | 14.394 |
| 95 | 35.0 | 209.4 | 224.06 | 1544.8 | 15.448 |
| 100 | 37.8 | 225.5 | 240.16 | 1655.9 | 16.559 |
| 105 | 40.6 | 242.4 | 257.11 | 1772.7 | 17.727 |
| 110 | 43.3 | 260.2 | 274.92 | 1895.5 | 18.955 |
| 115 | 46.1 | 278.9 | 293.63 | 2024.5 | 20.245 |
| 120 | 48.9 | 298.6 | 313.27 | 2159.9 | 21.599 |
| 125 | 51.7 | 319.2 | 333.86 | 2301.9 | 23.019 |
| 130 | 54.4 | 340.7 | 355.43 | 2450.6 | 24.506 |
| 135 | 57.2 | 363.3 | 378.03 | 2606.4 | 26.064 |
| 140 | 60.0 | 387.0 | 401.67 | 2769.4 | 27.694 |
| 145 | 62.8 | 411.7 | 426.4 | 2939.9 | 29.399 |
| 150 | 65.6 | 437.5 | 452.24 | 3118.1 | 31.181 |
| 155 | 68.3 | 464.5 | 479.23 | 3304.2 | 33.042 |
| 160 | 71.1 | 492.7 | 507.39 | 3498.3 | 34.983 |
| 165 | 73.9 | 522.0 | 536.74 | 3700.7 | 37.007 |
| 170 | 76.7 | 552.6 | 567.29 | 3911.3 | 39.113 |
| 175 | 79.4 | 584.3 | 598.98 | 4129.8 | 41.298 |
| 180 | 82.2 | 616.9 | 631.58 | 4354.6 | 43.546 |
Properties
| ASHRAE Designation | 407C |
| Safety Classification | A1 (non-flammable, low toxicity) |
| GWP (AR5) | 1774 |
| ODP | 0 |
| Molecular Weight | 86.2 g/mol |
| Boiling Point (1 atm) | -46.5°F / -43.6°C |
| Critical Temperature | 187.2°F / 86.2°C |
| Critical Pressure | 671.8 psia / 46.32 bar |
| Category | HFC Blend |
Common Applications
- Commercial AC
- Heat pumps
- R-22 retrofit