| Property | Value | Unit | Source |
|---|---|---|---|
| ω | [0.1376; 0.1480] |
|
|
| ω | 0.1480 | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value | |
| ω | 0.1477 | Passut and Danner (1973), critical constants and acentric factors Compiled value | |
| ω | 0.1376 | ChemSep v8.3 pure component data Compiled value | |
| ω | 0.1440 | KDB | |
| PAff | 751.60 | kJ/mol | NIST |
| Tig | 770.37 | K | KDB |
| BasG | 722.70 | kJ/mol | NIST |
| ΔcH°gas | [-2057.80; -2057.70] | kJ/mol |
|
| ΔcH°gas | -2057.80 ± 1.10 | kJ/mol | NIST |
| ΔcH°gas | -2057.70 ± 0.60 | kJ/mol | NIST |
| μ | [0.37; 0.40] | debye |
|
| μ | 0.37 | debye | ChemSep v8.3 pure component data Compiled value |
| μ | 0.40 | debye | KDB |
| LFL | 2.00 | % in Air | KDB |
| UFL | 11.00 | % in Air | KDB |
| Tflash,oc | 165.37 | K | KDB |
| ΔfG° | [62.64; 62.76] | kJ/mol |
|
| ΔfG° | 62.64 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfG° | 62.76 | kJ/mol | KDB |
| Rg | 2.2280 | KDB | |
| ΔfH°gas | [20.23; 20.43] | kJ/mol |
|
| ΔfH°gas | 20.37 ± 0.33 | kJ/mol | Active Thermochemical Tables 1.112, gas-phase enthalpies of formation Compiled value |
| ΔfH°gas | 20.23 | kJ/mol | ChemSep v8.3 pure component data Compiled value |
| ΔfH°gas | 20.43 | kJ/mol | KDB |
| ΔfH°gas | 20.41 | kJ/mol | NIST |
| ΔfH°gas | 20.41 | kJ/mol | NIST |
| ΔfusH° | 2.25 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 16.04 | kJ/mol | NIST |
| IE | [9.69; 10.20] | eV |
|
| IE | 9.73 ± 0.01 | eV | NIST |
| IE | 9.73 | eV | NIST |
| IE | 9.69 ± 0.09 | eV | NIST |
| IE | 9.73 ± 0.02 | eV | NIST |
| IE | 9.70 ± 0.10 | eV | NIST |
| IE | 9.73 ± 0.01 | eV | NIST |
| IE | 9.74 ± 0.00 | eV | NIST |
| IE | 9.72 | eV | NIST |
| IE | 9.72 | eV | NIST |
| IE | 9.74 | eV | NIST |
| IE | 9.74 ± 0.01 | eV | NIST |
| IE | 9.69 | eV | NIST |
| IE | 9.76 | eV | NIST |
| IE | 9.73 ± 0.01 | eV | NIST |
| IE | 9.74 | eV | NIST |
| IE | 9.73 ± 0.02 | eV | NIST |
| IE | 9.73 | eV | NIST |
| IE | 9.73 ± 0.01 | eV | NIST |
| IE | 9.91 ± 0.01 | eV | NIST |
| IE | Outlier 10.20 | eV | NIST |
| IE | 10.03 | eV | NIST |
| IE | Outlier 10.20 | eV | NIST |
| IE | 9.70 | eV | NIST |
| IE | 9.90 | eV | NIST |
| IE | 9.86 | eV | NIST |
| log10WS | -1.08 | Estimated Solubility | |
| logPoct/wat | 1.192 | Crippen Calculated Property | |
| McVol | 48.830 | ml/mol | McGowan Calculated Property |
| NFPA Fire | 4 | KDB | |
| NFPA Health | 1 | KDB | |
| NFPA Safety | 1 | KDB | |
| Pc | [4555.00; 4664.60] | kPa |
|
| Pc | 4630.00 | kPa | Gas-Liquid Critical Properties of Ethylene + Hydrogen and Propylene + Hydrogen Binary Mixtures |
| Pc | 4600.00 | kPa | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value |
| Pc | 4620.42 | kPa | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Pc | 4612.59 | kPa | Passut and Danner (1973), critical constants and acentric factors Compiled value |
| Pc | 4600.00 | kPa | ChemSep v8.3 pure component data Compiled value |
| Pc | 4555.00 | kPa | Air Liquide Gas Encyclopedia |
| Pc | 4600.00 | kPa | KDB |
| Pc | 4600.00 ± 30.00 | kPa | NIST |
| Pc | 4579.00 ± 15.00 | kPa | NIST |
| Pc | Outlier 4664.60 ± 200.00 | kPa | NIST |
| Pc | 4621.00 ± 15.19 | kPa | NIST |
| Pc | 4594.68 ± 33.33 | kPa | NIST |
| Ptriple | [7.44e-07; 950.00] | kPa |
|
| Ptriple | 1.17e-06 | kPa | ChemSep v8.3 pure component data Compiled value |
| Ptriple | 7.44e-07 | kPa | Air Liquide Gas Encyclopedia |
| Ptriple | 9.50e-07 | kPa | KDB |
| Ptriple | 950.00 ± 15.00 | kPa | NIST |
| ρc | [223.40; 233.50] | kg/m3 |
|
| ρc | 230.08 | kg/m3 | Air Liquide Gas Encyclopedia |
| ρc | 228.07 ± 1.26 | kg/m3 | NIST |
| ρc | 233.50 ± 2.95 | kg/m3 | NIST |
| ρc | 223.40 ± 15.15 | kg/m3 | NIST |
| Inp | [280.00; 310.00] |
|
|
| Inp | 292.00 | NIST | |
| Inp | 294.00 | NIST | |
| Inp | 300.00 | NIST | |
| Inp | 289.00 | NIST | |
| Inp | 283.30 | NIST | |
| Inp | 287.00 | NIST | |
| Inp | 289.00 | NIST | |
| Inp | 287.00 | NIST | |
| Inp | 287.00 | NIST | |
| Inp | 288.00 | NIST | |
| Inp | 288.00 | NIST | |
| Inp | 289.00 | NIST | |
| Inp | 283.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 294.00 | NIST | |
| Inp | 286.00 | NIST | |
| Inp | 294.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 298.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 288.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 283.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 283.00 | NIST | |
| Inp | Outlier 310.00 | NIST | |
| Inp | 280.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 286.00 | NIST | |
| Inp | 295.00 | NIST | |
| Inp | 292.00 | NIST | |
| Inp | 287.00 | NIST | |
| Inp | 288.00 | NIST | |
| Inp | 290.00 | NIST | |
| Inp | 283.00 | NIST | |
| S°liquid | 195.70 | J/mol×K | NIST |
| Tboil | [224.95; 226.20] | K |
|
| Tboil | 225.45 | K | ChemSep v8.3 pure component data Compiled value |
| Tboil | 225.53 | K | Air Liquide Gas Encyclopedia |
| Tboil | 225.46 | K | KDB |
| Tboil | 225.80 | K | NIST |
| Tboil | 225.50 | K | NIST |
| Tboil | 225.50 ± 0.60 | K | NIST |
| Tboil | 225.50 ± 0.50 | K | NIST |
| Tboil | 225.53 ± 0.38 | K | NIST |
| Tboil | 225.40 ± 0.30 | K | NIST |
| Tboil | 225.65 ± 0.50 | K | NIST |
| Tboil | Outlier 226.20 ± 0.30 | K | NIST |
| Tboil | Outlier 224.95 ± 0.60 | K | NIST |
| Tc | [364.21; 365.75] | K |
|
| Tc | 364.90 | K | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value |
| Tc | 365.00 | K | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Tc | 364.76 | K | Passut and Danner (1973), critical constants and acentric factors Compiled value |
| Tc | 364.85 | K | ChemSep v8.3 pure component data Compiled value |
| Tc | 364.21 | K | Air Liquide Gas Encyclopedia |
| Tc | 364.90 | K | KDB |
| Tc | 364.90 ± 0.40 | K | NIST |
| Tc | 364.59 ± 0.50 | K | NIST |
| Tc | 365.57 ± 0.50 | K | NIST |
| Tc | 364.91 ± 0.20 | K | NIST |
| Tc | 365.30 ± 0.50 | K | NIST |
| Tc | 365.75 ± 0.50 | K | NIST |
| Tfus | [87.89; 88.25] | K |
|
| Tfus | 88.08 | K | Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value |
| Tfus | 87.90 | K | ChemSep v8.3 pure component data Compiled value |
| Tfus | 87.89 | K | Air Liquide Gas Encyclopedia |
| Tfus | 87.90 | K | KDB |
| Tfus | 88.00 ± 0.30 | K | NIST |
| Tfus | 87.90 ± 0.40 | K | NIST |
| Tfus | Outlier 88.25 ± 1.00 | K | NIST |
| Tfus | 87.95 ± 0.60 | K | NIST |
| Ttriple | [86.85; 88.20] | K |
|
| Ttriple | 87.86 | K | Staveley, Lobo and Calado (1981), triple points Compiled value |
| Ttriple | 87.89 | K | ChemSep v8.3 pure component data Compiled value |
| Ttriple | 87.95 | K | Air Liquide Gas Encyclopedia |
| Ttriple | 87.89 | K | KDB |
| Ttriple | 87.85 ± 0.02 | K | NIST |
| Ttriple | 87.89 ± 0.02 | K | NIST |
| Ttriple | 87.90 ± 0.30 | K | NIST |
| Ttriple | Outlier 86.85 ± 0.06 | K | NIST |
| Ttriple | 88.20 ± 0.30 | K | NIST |
| Ttriple | 88.00 ± 0.40 | K | NIST |
| UQi | 2.02 | ChemSep v8.3 pure component data Compiled value | |
| URi | 2.25 | ChemSep v8.3 pure component data Compiled value | |
| Vc | [0.181; 0.192] | m3/kmol |
|
| Vc | 0.185 | m3/kmol | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value |
| Vc | 0.181 | m3/kmol | PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value |
| Vc | 0.185 | m3/kmol | ChemSep v8.3 pure component data Compiled value |
| Vc | 0.185 | m3/kmol | KDB |
| Vc | 0.185 | m3/kmol | NIST |
| Vc | Outlier 0.192 ± 0.005 | m3/kmol | NIST |
| VCOSTALD | 0.18 | m3/kmol | Hankinson and Thomson (1979), COSTALD parameters Compiled value |
| ωSRK | 0.15 | Hankinson and Thomson (1979), COSTALD parameters Compiled value | |
| Zc | [0.2798850; 0.2810000] |
|
|
| Zc | 0.2800000 | IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value | |
| Zc | 0.2810000 | ChemSep v8.3 pure component data Compiled value | |
| Zc | 0.2798850 | KDB | |
| Zra | [0.28; 0.28] |
|
|
| Zra | 0.28 | Hankinson and Thomson (1979), COSTALD parameters Compiled value | |
| Zra | 0.28 | ChemSep v8.3 pure component data Compiled value | |
| Zra | 0.28 | KDB |
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Fluid (supercritical or subcritical phases) | Pressure, kPa - Fluid (supercritical or subcritical phases) | Speed of sound, m/s - Fluid (supercritical or subcritical phases) |
| 240.01 | 1302.95 | 1101.184 |
| 240.01 | 2103.60 | 1108.727 |
| 240.01 | 3104.34 | 1117.981 |
| 240.01 | 4105.03 | 1127.052 |
| 240.01 | 5105.72 | 1135.947 |
| 240.01 | 6106.44 | 1144.672 |
| 240.00 | 7107.33 | 1153.244 |
| 240.00 | 8108.06 | 1161.649 |
| 240.00 | 9108.71 | 1169.913 |
| 240.00 | 10109.30 | 1178.038 |
| 240.00 | 12611.00 | 1197.777 |
| 240.00 | 15112.70 | 1216.761 |
| 240.00 | 17613.80 | 1235.067 |
| 240.00 | 20115.50 | 1252.744 |
| 240.00 | 25118.70 | 1286.456 |
| 240.00 | 30122.10 | 1318.218 |
| 240.00 | 35125.50 | 1348.316 |
| 240.00 | 40128.90 | 1376.953 |
| 240.00 | 45132.30 | 1404.298 |
| 240.00 | 50135.80 | 1430.49 |
| 240.00 | 60143.90 | 1479.896 |
| 260.00 | 1303.35 | 970.6167 |
| 260.00 | 2103.91 | 979.8807 |
| 260.00 | 3104.55 | 991.1728 |
| 260.00 | 4105.29 | 1002.157 |
| 260.00 | 5106.05 | 1012.855 |
| 260.00 | 6106.61 | 1023.292 |
| 260.00 | 7107.25 | 1033.466 |
| 260.00 | 8107.79 | 1043.406 |
| 260.00 | 9108.24 | 1053.122 |
| 260.00 | 10108.60 | 1062.635 |
| 260.00 | 12612.70 | 1085.589 |
| 260.00 | 15114.30 | 1107.451 |
| 260.00 | 17616.00 | 1128.358 |
| 260.00 | 20117.70 | 1148.412 |
| 260.00 | 25120.80 | 1186.29 |
| 260.00 | 30124.20 | 1221.63 |
| 260.00 | 35127.60 | 1254.829 |
| 260.00 | 40130.90 | 1286.199 |
| 260.00 | 45134.30 | 1315.977 |
| 260.00 | 50137.70 | 1344.352 |
| 260.00 | 60144.70 | 1397.522 |
| 260.00 | 70151.70 | 1446.691 |
| 260.00 | 80158.30 | 1492.558 |
| 260.00 | 90165.40 | 1535.614 |
| 260.00 | 100172.00 | 1576.274 |
| 280.00 | 1301.64 | 836.3895 |
| 280.00 | 2102.40 | 848.1849 |
| 280.00 | 3103.25 | 862.3844 |
| 280.00 | 4104.04 | 876.0391 |
| 280.00 | 5104.90 | 889.1962 |
| 280.00 | 6105.80 | 901.9084 |
| 280.00 | 7107.30 | 914.226 |
| 280.00 | 8108.06 | 926.147 |
| 280.00 | 9108.75 | 937.7206 |
| 280.00 | 10109.50 | 948.9727 |
| 280.00 | 12611.20 | 975.844 |
| 280.00 | 15112.90 | 1001.134 |
| 280.00 | 17613.00 | 1025.03 |
| 280.00 | 20116.60 | 1047.822 |
| 280.00 | 25118.10 | 1090.299 |
| 280.00 | 30122.10 | 1129.497 |
| 280.00 | 35125.60 | 1165.965 |
| 280.00 | 40129.10 | 1200.175 |
| 280.00 | 45132.60 | 1232.436 |
| 280.00 | 50137.50 | 1263.053 |
| 280.00 | 60144.50 | 1319.965 |
| 280.00 | 70151.40 | 1372.233 |
| 280.00 | 80157.10 | 1420.745 |
| 280.00 | 90163.80 | 1466.06 |
| 280.00 | 100171.00 | 1508.713 |
| 300.00 | 1402.74 | 696.0055 |
| 300.00 | 1402.49 | 696.0019 |
| 300.00 | 2102.73 | 709.9808 |
| 300.00 | 3103.18 | 728.8441 |
| 300.00 | 4103.79 | 746.5981 |
| 300.00 | 5104.16 | 763.3956 |
| 300.00 | 6104.72 | 779.3623 |
| 300.00 | 7107.16 | 794.6502 |
| 300.00 | 8106.02 | 809.2137 |
| 300.00 | 9106.68 | 823.2426 |
| 300.00 | 10107.40 | 836.7487 |
| 300.00 | 12611.00 | 868.5757 |
| 300.00 | 15112.80 | 898.0009 |
| 300.00 | 17612.90 | 925.4679 |
| 300.00 | 20114.50 | 951.3014 |
| 300.00 | 25117.90 | 998.9279 |
| 300.00 | 30121.00 | 1042.26 |
| 300.00 | 35124.50 | 1082.142 |
| 300.00 | 40127.90 | 1119.233 |
| 300.00 | 45131.30 | 1153.99 |
| 300.00 | 50134.70 | 1186.769 |
| 300.00 | 60141.60 | 1247.367 |
| 300.00 | 70148.60 | 1302.641 |
| 299.99 | 80156.40 | 1353.625 |
| 300.00 | 90163.40 | 1401.096 |
| 300.00 | 100170.00 | 1445.593 |
| 320.00 | 2104.38 | 556.1954 |
| 320.00 | 3105.15 | 584.4265 |
| 320.00 | 4105.81 | 609.6331 |
| 320.00 | 5106.44 | 632.5514 |
| 320.00 | 6107.10 | 653.6827 |
| 320.00 | 7107.76 | 673.3549 |
| 320.00 | 8108.42 | 691.8119 |
| 320.00 | 9108.44 | 709.2415 |
| 320.00 | 10109.00 | 725.7727 |
| 320.00 | 12610.80 | 763.8982 |
| 320.00 | 15112.40 | 798.3686 |
| 320.00 | 17614.20 | 829.9901 |
| 320.00 | 20115.90 | 859.315 |
| 319.99 | 22616.10 | 886.7121 |
| 320.00 | 25119.10 | 912.5156 |
| 320.00 | 30122.60 | 960.177 |
| 320.00 | 35126.10 | 1003.57 |
| 320.00 | 40129.50 | 1043.576 |
| 320.00 | 45133.00 | 1080.799 |
| 320.00 | 50136.40 | 1115.7 |
| 320.00 | 60143.30 | 1179.838 |
| 320.00 | 70150.30 | 1237.921 |
| 320.00 | 80157.30 | 1291.239 |
| 320.00 | 90164.30 | 1340.678 |
| 319.99 | 100172.00 | 1386.918 |
| 340.01 | 4104.99 | 453.1596 |
| 340.01 | 5105.68 | 489.4936 |
| 340.01 | 6106.34 | 520.3782 |
| 340.01 | 7107.01 | 547.5906 |
| 340.01 | 8107.68 | 572.1165 |
| 340.01 | 9108.21 | 594.5675 |
| 340.01 | 10109.20 | 615.3622 |
| 340.01 | 12611.10 | 661.8283 |
| 340.01 | 15113.00 | 702.4814 |
| 340.01 | 17614.90 | 738.9356 |
| 340.01 | 20116.70 | 772.1799 |
| 340.01 | 25118.70 | 831.3877 |
| 340.01 | 30122.20 | 883.5328 |
| 340.01 | 35125.70 | 930.4511 |
| 340.01 | 40129.20 | 973.3167 |
| 340.01 | 45132.70 | 1012.939 |
| 340.01 | 50136.20 | 1049.877 |
| 340.01 | 60143.20 | 1117.334 |
| 340.01 | 70150.10 | 1178.042 |
| 340.02 | 80157.20 | 1233.504 |
| 340.02 | 90164.10 | 1284.765 |
| 340.02 | 100171.00 | 1332.533 |
| 360.00 | 5105.03 | 311.2621 |
| 360.00 | 6105.74 | 370.1493 |
| 360.00 | 30122.50 | 812.7998 |
| 360.00 | 35126.60 | 863.1282 |
| 360.00 | 7106.48 | 413.2767 |
| 360.00 | 8107.12 | 448.5373 |
| 360.00 | 9107.83 | 478.9194 |
| 360.00 | 10108.60 | 505.8886 |
| 360.00 | 12610.20 | 563.3187 |
| 360.00 | 15112.00 | 611.3697 |
| 360.00 | 17613.80 | 653.2581 |
| 360.00 | 20115.50 | 690.7152 |
| 360.00 | 25119.00 | 756.1986 |
| 360.00 | 40130.30 | 908.7145 |
| 360.00 | 45133.80 | 950.5766 |
| 360.00 | 50137.20 | 989.4131 |
| 360.00 | 60144.20 | 1059.921 |
| 360.00 | 70151.20 | 1123.012 |
| 360.00 | 80158.20 | 1180.418 |
| 360.00 | 90165.30 | 1233.294 |
| 360.00 | 100172.00 | 1282.448 |
| 380.00 | 7106.08 | 268.3329 |
| 380.00 | 7357.45 | 283.4828 |
| 380.00 | 7606.54 | 297.2909 |
| 380.00 | 7858.19 | 310.3168 |
| 380.00 | 8106.93 | 322.3437 |
| 380.00 | 9107.64 | 364.5579 |
| 380.00 | 10108.40 | 399.8405 |
| 380.00 | 12610.20 | 470.5486 |
| 380.00 | 15112.00 | 526.7248 |
| 380.00 | 17612.70 | 574.2551 |
| 380.00 | 20115.60 | 615.9259 |
| 380.00 | 25119.30 | 687.4295 |
| 380.00 | 30122.80 | 748.2189 |
| 380.00 | 35126.40 | 801.6801 |
| 380.00 | 40129.90 | 849.7384 |
| 380.00 | 45133.60 | 893.6203 |
| 380.00 | 50137.20 | 934.1499 |
| 380.00 | 60144.20 | 1007.369 |
| 380.00 | 70151.90 | 1072.573 |
| 380.00 | 80159.00 | 1131.68 |
| 380.00 | 90166.20 | 1185.973 |
| 380.00 | 100173.00 | 1236.348 |
| 400.00 | 10108.40 | 309.3001 |
| 400.00 | 11109.00 | 343.8351 |
| 400.00 | 12109.60 | 374.7474 |
| 400.00 | 13110.20 | 402.6829 |
| 400.00 | 14110.80 | 428.2085 |
| 400.00 | 15111.40 | 451.7568 |
| 400.00 | 25116.70 | 625.8106 |
| 400.00 | 30120.70 | 690.1602 |
| 400.00 | 35124.30 | 746.2882 |
| 400.00 | 40128.00 | 796.4534 |
| 400.00 | 45131.70 | 842.0517 |
| 400.00 | 50135.30 | 884.0224 |
| 400.00 | 16111.20 | 473.6279 |
| 400.00 | 17109.90 | 494.1486 |
| 400.00 | 18111.60 | 513.4833 |
| 400.00 | 19112.30 | 531.7898 |
| 400.00 | 20113.10 | 549.1977 |
| 400.00 | 22614.80 | 589.4087 |
| 400.00 | 60142.50 | 959.552 |
| 400.01 | 70148.40 | 1026.538 |
| 400.01 | 80155.50 | 1087.01 |
| 400.01 | 90162.60 | 1142.605 |
| 400.01 | 100170.00 | 1194.015 |
| 420.00 | 12107.30 | 315.0009 |
| 420.00 | 13108.20 | 341.8445 |
| 420.00 | 14109.00 | 367.291 |
| 420.00 | 15109.60 | 391.2481 |
| 420.00 | 16110.50 | 413.7903 |
| 420.00 | 17113.10 | 435.0734 |
| 420.00 | 18114.20 | 455.1739 |
| 420.00 | 19114.90 | 474.2406 |
| 420.00 | 20115.70 | 492.387 |
| 420.00 | 22617.60 | 534.318 |
| 420.00 | 25119.70 | 572.2371 |
| 420.00 | 30123.10 | 639.0872 |
| 420.00 | 35126.80 | 697.1889 |
| 420.00 | 40130.30 | 748.9529 |
| 420.00 | 45133.90 | 795.8868 |
| 420.00 | 50137.50 | 838.9913 |
| 420.00 | 60145.10 | 916.3699 |
| 420.00 | 70152.30 | 984.8194 |
| 420.00 | 80159.40 | 1046.574 |
| 300.00 | 2104.10 | 710.0426 |
| 300.00 | 3104.74 | 728.903 |
| 300.00 | 3105.09 | 728.9086 |
| 300.00 | 4105.75 | 746.6704 |
| Reference | ||
| Fixed | Measured | |
|---|---|---|
| Temperature, K - Gas | Pressure, kPa - Gas | Speed of sound, m/s - Gas |
| 260.00 | 293.11 | 232.483 |
| 260.00 | 275.35 | 233.169 |
| 260.00 | 248.96 | 234.363 |
| 260.00 | 227.97 | 235.295 |
| 260.00 | 206.56 | 236.232 |
| 260.00 | 185.32 | 237.147 |
| 260.00 | 164.45 | 238.028 |
| 270.00 | 389.41 | 233.762 |
| 270.00 | 361.31 | 234.964 |
| 270.00 | 333.53 | 236.13 |
| 270.00 | 302.89 | 237.393 |
| 270.00 | 262.89 | 239.005 |
| 270.00 | 263.03 | 239.0 |
| 270.00 | 236.28 | 240.061 |
| 270.00 | 206.19 | 241.233 |
| 270.00 | 173.01 | 242.506 |
| 270.00 | 144.04 | 243.598 |
| 280.00 | 556.25 | 232.732 |
| 280.00 | 519.72 | 234.242 |
| 280.00 | 478.89 | 235.889 |
| 280.00 | 438.30 | 237.487 |
| 280.00 | 438.33 | 237.486 |
| 280.00 | 397.57 | 239.056 |
| 280.00 | 354.13 | 240.694 |
| 280.00 | 308.73 | 242.368 |
| 280.00 | 267.79 | 243.845 |
| 280.00 | 226.29 | 245.315 |
| 280.00 | 188.35 | 246.636 |
| 280.00 | 149.29 | 247.972 |
| 290.00 | 695.54 | 233.484 |
| 290.00 | 677.98 | 234.169 |
| 290.00 | 672.07 | 234.402 |
| 290.00 | 616.94 | 236.509 |
| 290.00 | 553.22 | 238.872 |
| 290.00 | 495.22 | 240.952 |
| 290.00 | 434.96 | 243.061 |
| 290.00 | 372.80 | 245.178 |
| 290.00 | 313.39 | 247.152 |
| 290.00 | 257.68 | 248.961 |
| 290.00 | 199.13 | 250.82 |
| 290.00 | 141.01 | 252.628 |
| 300.00 | 960.98 | 230.066 |
| 300.00 | 903.31 | 232.289 |
| 300.00 | 826.40 | 235.145 |
| 300.00 | 740.35 | 238.219 |
| 300.00 | 661.10 | 240.945 |
| 300.00 | 582.66 | 243.559 |
| 300.00 | 505.72 | 246.037 |
| 300.00 | 425.25 | 248.556 |
| 300.00 | 344.40 | 251.013 |
| 300.00 | 260.81 | 253.485 |
| 300.00 | 182.30 | 255.747 |
| 300.00 | 134.71 | 257.089 |
| 310.00 | 952.69 | 237.373 |
| 310.00 | 906.76 | 238.902 |
| 310.00 | 810.73 | 242.008 |
| 310.00 | 713.38 | 245.043 |
| 310.00 | 623.06 | 247.765 |
| 310.00 | 520.89 | 250.748 |
| 310.00 | 424.89 | 253.463 |
| 310.00 | 325.91 | 256.182 |
| 310.00 | 235.24 | 258.606 |
| 310.00 | 142.07 | 261.046 |
| 320.00 | 976.94 | 243.091 |
| 320.00 | 905.02 | 245.205 |
| 320.00 | 834.83 | 247.22 |
| 320.00 | 756.59 | 249.417 |
| 320.00 | 677.09 | 251.597 |
| 320.00 | 596.12 | 253.766 |
| 320.00 | 509.07 | 256.044 |
| 320.00 | 425.07 | 258.192 |
| 320.00 | 349.85 | 260.081 |
| 320.00 | 279.66 | 261.8119 |
| 320.00 | 210.07 | 263.494 |
| 320.00 | 142.67 | 265.102 |
| 330.00 | 1001.35 | 248.498 |
| 330.00 | 912.04 | 250.844 |
| 330.00 | 821.61 | 253.162 |
| 330.00 | 732.74 | 255.39 |
| 330.00 | 642.65 | 257.599 |
| 330.00 | 550.82 | 259.806 |
| 330.00 | 455.62 | 262.043 |
| 330.00 | 380.89 | 263.766 |
| 330.00 | 302.35 | 265.548 |
| 330.00 | 227.66 | 267.217 |
| 330.00 | 151.93 | 268.885 |
| Reference | ||
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [39.17; 168.81] | J/mol×K | [80.00; 1500.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | 3.89654e+01 | |||
| Coefficient B | -5.16384e+02 | |||
| Coefficient C | 4.84546e+00 | |||
| Coefficient D | 5.09119e-04 | |||
| Coefficient E | -1.77135e-07 | |||
| Temperature range, min. | 80.00 | |||
| Temperature range, max. | 1500.00 | |||
| Cp,gas | 39.17 | J/mol×K | 80.00 | Calculated Property |
| Cp,gas | 55.16 | J/mol×K | 237.78 | Calculated Property |
| Cp,gas | 79.97 | J/mol×K | 395.56 | Calculated Property |
| Cp,gas | 101.75 | J/mol×K | 553.33 | Calculated Property |
| Cp,gas | 119.75 | J/mol×K | 711.11 | Calculated Property |
| Cp,gas | 134.53 | J/mol×K | 868.89 | Calculated Property |
| Cp,gas | 146.57 | J/mol×K | 1026.67 | Calculated Property |
| Cp,gas | 156.18 | J/mol×K | 1184.44 | Calculated Property |
| Cp,gas | 163.55 | J/mol×K | 1342.22 | Calculated Property |
| Cp,gas | 168.81 | J/mol×K | 1500.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,liquid | [93.11; 126.27] | J/mol×K | [87.85; 340.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K | |||
| Coefficient A | 7.97900e+01 | |||
| Coefficient B | 3.00800e+02 | |||
| Coefficient C | -1.77356e+00 | |||
| Coefficient D | 9.56150e-03 | |||
| Coefficient E | 1.27770e-05 | |||
| Temperature range, min. | 87.85 | |||
| Temperature range, max. | 340.00 | |||
| Cp,liquid | 93.11 | J/mol×K | 87.85 | Calculated Property |
| Cp,liquid | 87.97 | J/mol×K | 115.87 | Calculated Property |
| Cp,liquid | 86.87 | J/mol×K | 143.88 | Calculated Property |
| Cp,liquid | 87.16 | J/mol×K | 171.90 | Calculated Property |
| Cp,liquid | 88.40 | J/mol×K | 199.92 | Calculated Property |
| Cp,liquid | 90.70 | J/mol×K | 227.93 | Calculated Property |
| Cp,liquid | 94.46 | J/mol×K | 255.95 | Calculated Property |
| Cp,liquid | 100.51 | J/mol×K | 283.97 | Calculated Property |
| Cp,liquid | 110.28 | J/mol×K | 311.98 | Calculated Property |
| Cp,liquid | 126.27 | J/mol×K | 340.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0145825; 0.0000376] | Pa×s | [87.89; 363.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -5.40549e+01 | |||
| Coefficient B | 1.43777e+03 | |||
| Coefficient C | 7.53625e+00 | |||
| Coefficient D | -3.42733e-05 | |||
| Coefficient E | 2.00000e+00 | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 363.00 | |||
| η | 0.0145825 | Pa×s | 87.89 | Calculated Property |
| η | 0.0016350 | Pa×s | 118.46 | Calculated Property |
| η | 0.0005780 | Pa×s | 149.03 | Calculated Property |
| η | 0.0003235 | Pa×s | 179.59 | Calculated Property |
| η | 0.0002194 | Pa×s | 210.16 | Calculated Property |
| η | 0.0001597 | Pa×s | 240.73 | Calculated Property |
| η | 0.0001173 | Pa×s | 271.30 | Calculated Property |
| η | 0.0000841 | Pa×s | 301.86 | Calculated Property |
| η | 0.0000578 | Pa×s | 332.43 | Calculated Property |
| η | 0.0000376 | Pa×s | 363.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔvapH | [23.86; 0.00] | kJ/mol | [87.89; 364.85] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K | |||
| Coefficient A | 2.75250e+01 | |||
| Coefficient B | 6.12170e-01 | |||
| Coefficient C | -4.16460e-01 | |||
| Coefficient D | 8.37720e-02 | |||
| Coefficient E | 1.20920e-01 | |||
| Critical temperature, Tc (K) | 3.64850e+02 | |||
| Comment | Range stopped at Tc; ChemSep gives it to 365 K. | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 364.85 | |||
| ΔvapH | 23.86 | kJ/mol | 87.89 | Calculated Property |
| ΔvapH | 22.70 | kJ/mol | 118.66 | Calculated Property |
| ΔvapH | 21.56 | kJ/mol | 149.44 | Calculated Property |
| ΔvapH | 20.38 | kJ/mol | 180.21 | Calculated Property |
| ΔvapH | 19.11 | kJ/mol | 210.98 | Calculated Property |
| ΔvapH | 17.67 | kJ/mol | 241.76 | Calculated Property |
| ΔvapH | 15.92 | kJ/mol | 272.53 | Calculated Property |
| ΔvapH | 13.67 | kJ/mol | 303.30 | Calculated Property |
| ΔvapH | 10.39 | kJ/mol | 334.08 | Calculated Property |
| ΔvapH | 0.00 | kJ/mol | 364.85 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 4510.73] | kPa | [160.37; 364.21] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.41198e+01 | |||
| Coefficient B | -1.97958e+03 | |||
| Coefficient C | -1.72550e+01 | |||
| Temperature range, min. | 160.37 | |||
| Temperature range, max. | 364.21 | |||
| Pvap | 1.33 | kPa | 160.37 | Calculated Property |
| Pvap | 8.83 | kPa | 183.02 | Calculated Property |
| Pvap | 37.08 | kPa | 205.67 | Calculated Property |
| Pvap | 114.51 | kPa | 228.32 | Calculated Property |
| Pvap | 284.17 | kPa | 250.97 | Calculated Property |
| Pvap | 600.58 | kPa | 273.61 | Calculated Property |
| Pvap | 1124.10 | kPa | 296.26 | Calculated Property |
| Pvap | 1914.95 | kPa | 318.91 | Calculated Property |
| Pvap | 3028.27 | kPa | 341.56 | Calculated Property |
| Pvap | 4510.73 | kPa | 364.21 | Calculated Property |
| Pvap | [9.93e-07; 4546.80] | kPa | [87.89; 364.85] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K | |||
| Coefficient A | 4.81959e+01 | |||
| Coefficient B | -3.33045e+03 | |||
| Coefficient C | -5.40588e+00 | |||
| Coefficient D | 9.36410e-06 | |||
| Coefficient E | 2.00000e+00 | |||
| Comment | Range stopped at Tc; ChemSep gives it to 365.57 K. | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 364.85 | |||
| Pvap | 9.93e-07 | kPa | 87.89 | Calculated Property |
| Pvap | 3.85e-03 | kPa | 118.66 | Calculated Property |
| Pvap | 0.39 | kPa | 149.44 | Calculated Property |
| Pvap | 6.96 | kPa | 180.21 | Calculated Property |
| Pvap | 49.22 | kPa | 210.98 | Calculated Property |
| Pvap | 200.34 | kPa | 241.76 | Calculated Property |
| Pvap | 575.97 | kPa | 272.53 | Calculated Property |
| Pvap | 1317.56 | kPa | 303.30 | Calculated Property |
| Pvap | 2581.87 | kPa | 334.08 | Calculated Property |
| Pvap | 4546.80 | kPa | 364.85 | Calculated Property |
| Pvap | [1.41e-06; 4571.49] | kPa | [89.00; 364.76] |
KDB Vapor Pressure Data
|
| Equation | ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K | |||
| Coefficient A | 5.20560e+01 | |||
| Coefficient B | -3.41762e+03 | |||
| Coefficient C | -6.06433e+00 | |||
| Coefficient D | 1.13944e-05 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 89.00 | |||
| Temperature range, max. | 364.76 | |||
| Pvap | 1.41e-06 | kPa | 89.00 | Calculated Property |
| Pvap | 4.69e-03 | kPa | 119.64 | Calculated Property |
| Pvap | 0.44 | kPa | 150.28 | Calculated Property |
| Pvap | 7.51 | kPa | 180.92 | Calculated Property |
| Pvap | 51.42 | kPa | 211.56 | Calculated Property |
| Pvap | 204.78 | kPa | 242.20 | Calculated Property |
| Pvap | 580.56 | kPa | 272.84 | Calculated Property |
| Pvap | 1318.75 | kPa | 303.48 | Calculated Property |
| Pvap | 2582.36 | kPa | 334.12 | Calculated Property |
| Pvap | 4571.49 | kPa | 364.76 | Calculated Property |
| Pvap | [2.13; 104.11] | kPa | [165.81; 225.98] |
NIST
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.37577e+01 | |||
| Coefficient B | -1.83244e+03 | |||
| Coefficient C | -2.48840e+01 | |||
| Reference | Powell and Giauque, 1939 | |||
| Comment | Coefficents calculated by NIST from author's data. | |||
| Temperature range, min. | 165.81 | |||
| Temperature range, max. | 225.98 | |||
| Pvap | 2.13 | kPa | 165.81 | Calculated Property |
| Pvap | 3.83 | kPa | 172.50 | Calculated Property |
| Pvap | 6.56 | kPa | 179.18 | Calculated Property |
| Pvap | 10.75 | kPa | 185.87 | Calculated Property |
| Pvap | 16.92 | kPa | 192.55 | Calculated Property |
| Pvap | 25.73 | kPa | 199.24 | Calculated Property |
| Pvap | 37.94 | kPa | 205.92 | Calculated Property |
| Pvap | 54.40 | kPa | 212.61 | Calculated Property |
| Pvap | 76.10 | kPa | 219.29 | Calculated Property |
| Pvap | 104.11 | kPa | 225.98 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ρl | [759.22; 260.36] | kg/m3 | [87.89; 364.85] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K | |||
| Coefficient A | 4.12924e+01 | |||
| Coefficient B | 2.22260e-01 | |||
| Coefficient C | 3.65580e+02 | |||
| Coefficient D | 2.40390e-01 | |||
| Comment | Range stopped at Tc; ChemSep gives it to 365.57 K. | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 364.85 | |||
| ρl | 759.22 | kg/m3 | 87.89 | Calculated Property |
| ρl | 730.04 | kg/m3 | 118.66 | Calculated Property |
| ρl | 699.25 | kg/m3 | 149.44 | Calculated Property |
| ρl | 666.45 | kg/m3 | 180.21 | Calculated Property |
| ρl | 631.07 | kg/m3 | 210.98 | Calculated Property |
| ρl | 592.22 | kg/m3 | 241.76 | Calculated Property |
| ρl | 548.36 | kg/m3 | 272.53 | Calculated Property |
| ρl | 496.38 | kg/m3 | 303.30 | Calculated Property |
| ρl | 427.88 | kg/m3 | 334.08 | Calculated Property |
| ρl | 260.36 | kg/m3 | 364.85 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| γ | [0.04; 2.01e-05] | N/m | [87.89; 362.63] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K | |||
| Coefficient A | -1.21710e-02 | |||
| Coefficient B | 1.08860e+01 | |||
| Coefficient C | -2.99780e+00 | |||
| Coefficient D | -4.42050e-04 | |||
| Coefficient E | -9.72570e-06 | |||
| Comment | Range stopped where the equation turns negative; ChemSep gives it to 364.85 K. | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 362.63 | |||
| γ | 0.04 | N/m | 87.89 | Calculated Property |
| γ | 0.03 | N/m | 118.42 | Calculated Property |
| γ | 0.03 | N/m | 148.94 | Calculated Property |
| γ | 0.02 | N/m | 179.47 | Calculated Property |
| γ | 0.02 | N/m | 210.00 | Calculated Property |
| γ | 0.01 | N/m | 240.53 | Calculated Property |
| γ | 0.01 | N/m | 271.05 | Calculated Property |
| γ | 0.01 | N/m | 301.58 | Calculated Property |
| γ | 0.00 | N/m | 332.11 | Calculated Property |
| γ | 2.01e-05 | N/m | 362.63 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λgas | [0.00; 0.13] | W/m×K | [87.89; 1000.00] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K | |||
| Coefficient A | 4.53730e-05 | |||
| Coefficient B | 1.20000e+00 | |||
| Coefficient C | 4.15830e+02 | |||
| Coefficient D | 2.75720e+03 | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 1000.00 | |||
| λgas | 0.00 | W/m×K | 87.89 | Calculated Property |
| λgas | 0.01 | W/m×K | 189.24 | Calculated Property |
| λgas | 0.02 | W/m×K | 290.58 | Calculated Property |
| λgas | 0.03 | W/m×K | 391.93 | Calculated Property |
| λgas | 0.04 | W/m×K | 493.27 | Calculated Property |
| λgas | 0.06 | W/m×K | 594.62 | Calculated Property |
| λgas | 0.07 | W/m×K | 695.96 | Calculated Property |
| λgas | 0.09 | W/m×K | 797.31 | Calculated Property |
| λgas | 0.11 | W/m×K | 898.65 | Calculated Property |
| λgas | 0.13 | W/m×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| λliquid | [0.20; 0.08] | W/m×K | [87.89; 340.49] |
ChemSep v8.3 pure component data Compiled value
|
| Equation | Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K | |||
| Coefficient A | -4.45870e-02 | |||
| Coefficient B | 2.20610e+01 | |||
| Coefficient C | -1.74400e+00 | |||
| Coefficient D | 1.52140e-03 | |||
| Coefficient E | -7.81620e-06 | |||
| Temperature range, min. | 87.89 | |||
| Temperature range, max. | 340.49 | |||
| λliquid | 0.20 | W/m×K | 87.89 | Calculated Property |
| λliquid | 0.18 | W/m×K | 115.96 | Calculated Property |
| λliquid | 0.17 | W/m×K | 144.02 | Calculated Property |
| λliquid | 0.16 | W/m×K | 172.09 | Calculated Property |
| λliquid | 0.15 | W/m×K | 200.16 | Calculated Property |
| λliquid | 0.14 | W/m×K | 228.22 | Calculated Property |
| λliquid | 0.12 | W/m×K | 256.29 | Calculated Property |
| λliquid | 0.11 | W/m×K | 284.36 | Calculated Property |
| λliquid | 0.10 | W/m×K | 312.42 | Calculated Property |
| λliquid | 0.08 | W/m×K | 340.49 | Calculated Property |
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