| Temperature, degrees Fahrenheit | Temperature, degrees Centigrade | Hydrocarbon Vapor Pressure, psia |
| Butane | Iso-butane | Ethane | Hexane | Pentane | Iso-pentane | Propane |
|---|
| 32 | 0 | 14.9 | 25.9 | 348 | 0.87 | 3.5 | 5 | 69.6 |
| 34 | 1.1 | 15.5 | 27.1 | 358 | 0.92 | 3.7 | 0.3 | 71.4 |
| 36 | 2.2 | 16.1 | 28.3 | 367 | 0.98 | 3.9 | 5.6 | 73.3 |
| 38 | 3.3 | 16.7 | 29.6 | 377 | 1.04 | 4.1 | 5.9 | 75.3 |
| 40 | 4.4 | 17.4 | 30.9 | 387 | 1.1 | 4.3 | 6.2 | 77.4 |
| 42 | 5.6 | 18.1 | 32.2 | critical | 1.16 | 4.5 | 6.5 | 79.6 |
| 44 | 6.7 | 18.9 | 33.5 | critical | 1.22 | 4.7 | 6.8 | 82 |
| 46 | 7.8 | 19.7 | 34.8 | critical | 1.29 | 4.9 | 7.1 | 84.5 |
| 48 | 8.9 | 20.5 | 36.1 | critical | 1.36 | 5.1 | 7.4 | 87.1 |
| 50 | 10 | 21.4 | 37.4 | critical | 1.43 | 5.4 | 7.7 | 89.8 |
| 52 | 11.1 | 22.3 | 28.9 | critical | 1.5 | 5.7 | 8 | 92.7 |
| 54 | 12.2 | 23.2 | 40 | critical | 1.58 | 6 | 8.3 | 95.8 |
| 56 | 13.3 | 24.1 | 41.3 | critical | 1.66 | 6.3 | 8.6 | 99 |
| 58 | 14.4 | 25.1 | 42.6 | critical | 1.74 | 6.6 | 8.9 | 102.2 |
| 60 | 15.6 | 26.1 | 43.9 | critical | 1.83 | 6.9 | 9.2 | 105.5 |
| 62 | 16.7 | 27.1 | 45.2 | critical | 1.93 | 7.2 | 9.6 | 108.9 |
| 64 | 17.8 | 28.1 | 46.5 | critical | 2.03 | 7.5 | 10 | 112.4 |
| 66 | 18.9 | 29.1 | 47.8 | critical | 2.14 | 7.8 | 10.4 | 115.9 |
| 68 | 20 | 30.1 | 49.2 | critical | 2.25 | 8.1 | 10.8 | 119.4 |
| 70 | 21.1 | 31.1 | 50.7 | critical | 2.37 | 8.4 | 11.2 | 122.9 |
| 72 | 22.2 | 32.1 | 52.2 | critical | 2.49 | 8.7 | 11.6 | 126.4 |
| 74 | 23.3 | 33.1 | 53.7 | critical | 2.62 | 9 | 12.1 | 130 |
| 76 | 24.4 | 34.2 | 55.3 | critical | 2.76 | 9.4 | 12.6 | 133.6 |
| 78 | 25.6 | 35.3 | 56.9 | critical | 2.9 | 9.8 | 13.1 | 137.3 |
| 80 | 26.7 | 36.4 | 58.6 | critical | 3.05 | 10.2 | 13.7 | 141.1 |
| 82 | 27.8 | 37.5 | 60.3 | critical | 3.21 | 10.6 | 14.3 | 145 |
| 84 | 28.9 | 38.7 | 62.1 | critical | 3.37 | 11 | 14.8 | 149 |
| 86 | 30 | 39.9 | 63.9 | critical | 3.53 | 11.5 | 15.5 | 153.1 |
| 88 | 31.1 | 41.2 | 65.8 | critical | 3.7 | 12 | 16.2 | 157.3 |
| 90 | 32.2 | 42.5 | 67.7 | critical | 3.87 | 12.5 | 16.9 | 161.5 |
| 92 | 33.3 | 43.8 | 69.7 | critical | 4.05 | 13 | 17.6 | 165.8 |
| 94 | 34.4 | 45.2 | 71.7 | critical | 4.23 | 13.5 | 18.3 | 170.2 |
| 96 | 35.6 | 46.7 | 73.7 | critical | 4.42 | 14.1 | 19 | 174.7 |
| 98 | 36.7 | 48.3 | 75.8 | critical | 4.62 | 14.7 | 19.7 | 179.2 |
| 100 | 37.8 | 49.9 | 77.9 | critical | 4.83 | 15.3 | 204 | 183.7 |
| 102 | 38.9 | 51.5 | 80.1 | critical | 5.05 | 15.9 | 21.1 | 188.3 |
| 104 | 40 | 53.2 | 82.3 | critical | 5.28 | 16.5 | 21.8 | 193 |
| 106 | 41.1 | 55 | 84.6 | critical | 5.52 | 17.2 | 22.6 | 197.8 |
| 108 | 42.2 | 56.9 | 86.9 | critical | 5.77 | 17.9 | 23.4 | 202.7 |
| 110 | 43.3 | 58.9 | 89.3 | critical | 6.03 | 18.6 | 24.3 | 207.7 |
| 112 | 44.4 | 61 | 91.7 | critical | 6.29 | 19.3 | 25.2 | 212.7 |
| 114 | 45.6 | 63.2 | 94.2 | critical | 6.56 | 20 | 26.1 | 217.8 |
| 116 | 46.7 | 65.5 | 96.7 | critical | 6.84 | 20.8 | 27.1 | 223 |
| 118 | 47.8 | 67.8 | 99.3 | critical | 7.13 | 21.6 | 28.1 | 228.3 |
| 120 | 48.9 | 70.1 | 101.9 | critical | 7.43 | 22.4 | 29.2 | 233.7 |