| Fixed | Measured | |
|---|---|---|
| Mole fraction of Isobutane (2) - Liquid | Temperature, K - Liquid | Vapor or sublimation pressure, kPa - Liquid |
| 0.0000 | 318.34 | 7.30 |
| 0.0000 | 346.97 | 22.50 |
| 0.0115 | 346.97 | 52.30 |
| 0.0157 | 318.35 | 31.70 |
| 0.0320 | 318.35 | 55.70 |
| 0.0357 | 346.97 | 110.80 |
| 0.0508 | 346.96 | 145.70 |
| 0.0510 | 318.35 | 82.00 |
| 0.0978 | 318.35 | 139.50 |
| 0.0991 | 346.98 | 247.40 |
| 0.1417 | 346.97 | 325.50 |
| 0.1453 | 318.34 | 189.10 |
| 0.1909 | 346.97 | 404.70 |
| 0.1956 | 318.34 | 233.60 |
| 0.2399 | 346.96 | 473.30 |
| 0.2449 | 318.34 | 270.60 |
| 0.2899 | 346.96 | 535.00 |
| 0.2948 | 318.34 | 302.80 |
| 0.3409 | 346.97 | 590.70 |
| 0.3458 | 318.35 | 331.20 |
| 0.3931 | 346.97 | 641.50 |
| 0.3960 | 318.34 | 355.50 |
| 0.4446 | 346.97 | 686.80 |
| 0.4479 | 318.34 | 378.10 |
| 0.4944 | 346.99 | 730.20 |
| 0.4963 | 346.97 | 728.60 |
| 0.4980 | 318.34 | 397.90 |
| 0.4991 | 318.35 | 398.60 |
| 0.5427 | 346.98 | 767.10 |
| 0.5475 | 318.35 | 416.30 |
| 0.5920 | 346.97 | 803.30 |
| 0.5975 | 318.35 | 433.80 |
| 0.6419 | 346.97 | 839.70 |
| 0.6470 | 318.35 | 450.70 |
| 0.6909 | 346.96 | 875.50 |
| 0.6958 | 318.35 | 467.50 |
| 0.7414 | 346.97 | 914.10 |
| 0.7462 | 318.35 | 485.50 |
| 0.7922 | 346.97 | 955.20 |
| 0.7967 | 318.35 | 504.60 |
| 0.8434 | 346.97 | 1000.10 |
| 0.8462 | 318.35 | 525.10 |
| 0.8989 | 346.97 | 1054.60 |
| 0.8996 | 318.34 | 549.80 |
| 0.9524 | 346.97 | 1114.80 |
| 0.9565 | 318.34 | 580.50 |
| 0.9693 | 318.34 | 588.20 |
| 0.9693 | 346.97 | 1136.50 |
| 0.9895 | 318.35 | 601.10 |
| 0.9913 | 346.99 | 1166.10 |
| 1.0000 | 318.34 | 608.30 |
| 1.0000 | 346.96 | 1177.50 |
Note: These property values are available through the Cheméo API. A free account gives you an access key.