R290 pressure–temperature chart
Saturation pressure and temperature of R290: convert temperature to pressure or pressure to temperature, and see the full table.
Refrigerant
- Safety class
- A3
- GWP (AR4)
- 3
- Temperature glide
- No glide
Saturation point
3.73 barg
4.74 bar a · 54.1 psig
Type: Pure substanceSafety class: A3GWP (AR4): 3Temperature glide: No glideCritical point: 96.7 °C · 42.5 bar
R290 — Pressure–temperature table
| °C | °F | bar a | barg | psig |
|---|---|---|---|---|
| -50 | -58.0 | 0.71 | -0.31 | -4.5 |
| -48 | -54.4 | 0.77 | -0.24 | -3.5 |
| -46 | -50.8 | 0.85 | -0.16 | -2.4 |
| -44 | -47.2 | 0.93 | -0.08 | -1.2 |
| -42 | -43.6 | 1.02 | 0.01 | 0.1 |
| -40 | -40.0 | 1.11 | 0.10 | 1.4 |
| -38 | -36.4 | 1.21 | 0.20 | 2.9 |
| -36 | -32.8 | 1.32 | 0.30 | 4.4 |
| -34 | -29.2 | 1.43 | 0.42 | 6 |
| -32 | -25.6 | 1.55 | 0.54 | 7.8 |
| -30 | -22.0 | 1.68 | 0.66 | 9.6 |
| -28 | -18.4 | 1.81 | 0.80 | 11.6 |
| -26 | -14.8 | 1.96 | 0.94 | 13.7 |
| -24 | -11.2 | 2.11 | 1.10 | 15.9 |
| -22 | -7.6 | 2.27 | 1.26 | 18.3 |
| -20 | -4.0 | 2.44 | 1.43 | 20.8 |
| -18 | -0.4 | 2.62 | 1.61 | 23.4 |
| -16 | 3.2 | 2.81 | 1.80 | 26.1 |
| -14 | 6.8 | 3.02 | 2.00 | 29 |
| -12 | 10.4 | 3.23 | 2.21 | 32.1 |
| -10 | 14.0 | 3.45 | 2.44 | 35.4 |
| -8 | 17.6 | 3.68 | 2.67 | 38.7 |
| -6 | 21.2 | 3.93 | 2.92 | 42.3 |
| -4 | 24.8 | 4.19 | 3.18 | 46.1 |
| -2 | 28.4 | 4.46 | 3.45 | 50 |
| 0 | 32.0 | 4.74 | 3.73 | 54.1 |
| 2 | 35.6 | 5.04 | 4.03 | 58.4 |
| 4 | 39.2 | 5.35 | 4.34 | 62.9 |
| 6 | 42.8 | 5.67 | 4.66 | 67.6 |
| 8 | 46.4 | 6.01 | 5.00 | 72.5 |
| 10 | 50.0 | 6.37 | 5.35 | 77.6 |
| 12 | 53.6 | 6.73 | 5.72 | 82.9 |
| 14 | 57.2 | 7.12 | 6.10 | 88.5 |
| 16 | 60.8 | 7.51 | 6.50 | 94.3 |
| 18 | 64.4 | 7.93 | 6.92 | 100.3 |
| 20 | 68.0 | 8.36 | 7.35 | 106.6 |
| 22 | 71.6 | 8.81 | 7.80 | 113.1 |
| 24 | 75.2 | 9.28 | 8.27 | 119.9 |
| 26 | 78.8 | 9.76 | 8.75 | 126.9 |
| 28 | 82.4 | 10.27 | 9.25 | 134.2 |
| 30 | 86.0 | 10.79 | 9.78 | 141.8 |
| 32 | 89.6 | 11.33 | 10.32 | 149.6 |
| 34 | 93.2 | 11.89 | 10.88 | 157.8 |
| 36 | 96.8 | 12.47 | 11.46 | 166.2 |
| 38 | 100.4 | 13.07 | 12.06 | 174.9 |
| 40 | 104.0 | 13.69 | 12.68 | 183.9 |
| 42 | 107.6 | 14.33 | 13.32 | 193.2 |
| 44 | 111.2 | 15.00 | 13.99 | 202.9 |
| 46 | 114.8 | 15.69 | 14.67 | 212.8 |
| 48 | 118.4 | 16.40 | 15.38 | 223.1 |
| 50 | 122.0 | 17.13 | 16.12 | 233.8 |
| 52 | 125.6 | 17.89 | 16.88 | 244.8 |
| 54 | 129.2 | 18.67 | 17.66 | 256.1 |
| 56 | 132.8 | 19.48 | 18.47 | 267.8 |
| 58 | 136.4 | 20.31 | 19.30 | 279.9 |
| 60 | 140.0 | 21.17 | 20.16 | 292.3 |
bar a = absolute (bar a) · barg = gauge (barg) (bar a − 1,013)
All refrigerants
- R404ANear-azeotropic blend · A1 · GWP 3,9220 °C: 6.10 bar a
- R507AAzeotropic blend · A1 · GWP 3,9850 °C: 6.25 bar a
- R134aPure substance · A1 · GWP 1,4300 °C: 2.93 bar a
- R449AZeotropic blend · Temperature glide ≈ 4.5 K · A1 · GWP 1,3970 °C: 6.12 bar a
- R448AZeotropic blend · Temperature glide ≈ 5 K · A1 · GWP 1,3870 °C: 6.24 bar a
- R407CZeotropic blend · Temperature glide ≈ 7 K · A1 · GWP 1,7740 °C: 5.68 bar a
- R410ANear-azeotropic blend · A1 · GWP 2,0880 °C: 7.99 bar a
- R32Pure substance · A2L · GWP 6750 °C: 8.13 bar a
- R22Pure substance · A1 · GWP 1,8100 °C: 4.98 bar a
- R744Pure substance · A1 · GWP 10 °C: 34.85 bar a
- R717Pure substance · B2L · GWP 00 °C: 4.29 bar a
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