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Physical Properties of Industrial Gases and Common Industrial Chemicals
(English Units)
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NormalBoiling Point (1 atm) |
Gas Phase Properties @ 32°F & @1 atm |
Liquid Phase Properties
@ B P& @ 1 atm |
Triple Point | Critical Point | ||||||||||
| Temp. | Latent Heat of Vaporization | Specific Gravity | Specific Heat (Cp) | Density | Specific Gravity | Specific Heat (Cp) | Temp. | Pressure | Temp. | Pressure | Density | |||
| Substance |
Chemical Symbol |
Mol. Weight |
° F | BTU/lb | Air = 1 | BTU/lb °F | lb/cu. ft | Water = 1 | BTU/lb °F | °F | psia | °F | psia | lb/cu ft |
| Air | -- | 28.98 | -317.8 | 88.2 | 1 | 0.241 | 0.08018 | 0.873 | 0.4454 | -352.1 | -- | -221.1 | 547 | 21.9 |
| Oxygen | O2 | 32.00 | -297.3 | 91.7 | 1.113 | 0.2197 | 0.089212 | 1.14 | 0.4058 | -361.8 | 0.02147 | -181.43 | 731.4 | 27.22 |
| Nitrogen | N2 | 28.01 | -320.4 | 85.6 | 0.9737 | 0.249 | 0.07807 | 0.808 | 0.4877 | -346.0 | 1.81 | -232.4 | 493 | 19.6 |
| Argon | Ar | 39.95 | -302.6 | 69.8 | 1.39 | 0.125 | 0.11135 | 1.4 | 0.2575 | -308.8 | 9.99 | -188.1 | 711.5 | 33.44 |
| Carbon Dioxide | CO2 | 44.01 | -109.3a | 245.5b | 1.524 | 0.199 | 0.12341 | 1.18c | -- | -69.9 | 75.1 | 87.9 | 1070.6 | 29.2 |
| Hydrogen | H2 | 2.02 | -423 | 191.7 | 0.06998 | 3.425 | 0.005611 | 0.071 | 2.309 | -434.6 | 1.045 | -399.93 | 190.8 | 1.88 |
| Carbon Monoxide | CO | 28.01 | -312.7 | 92.79 | 0.9736 | 0.2478 | 0.07806 | 0.79 | -- | -337.1 | 2.2 | -220.4 | 507.5 | 18.79 |
| Water | H2O | 18.02 | 212 | 970.6 | -- | 0.8784d | 0.0368d | 0.95855 | 1.007 | 32.0 | 0.088 | 705.182 | 3200.5 | 20.1 |
| Methane | CH4 | 16.04 | -258.68 | 219.22 | 0.559 | 0.593 | 0.0448 | 0.425 | 0.8314 | -296.5 | 1.69 | -115.78 | 673.1 | 10.09 |
| Ammonia | NH3 | 17.03 | -28 | 589.3 | 0.6003 | 0.520 | 0.04813 | 0.6819 | -- | -107.9 | 0.88 | 271.4 | 1657 | 14.7 |
| Helium | He | 4.00 | -452.06 | 8.72 | 0.139 | 1.25 | 0.01114 | 0.124 | 1.086 | NONE | NONE | -450.31 | 33 | 4.347 |
| Neon | Ne | 20.18 | -410.9 | 37.08 | 0.701 | 0.25 | 0.05621 | 1.207 | 0.4483 | -415.4 | 6.29 | -379.8 | 384.9 | 30.15 |
| Krypton | Kr | 83.80 | -244 | 46.2 | 2.887 | 0.06 | 0.2315 | 2.41 | 0.1273 | -251.3 | 10.6 | -82.8 | 798 | 56.7 |
| Xenon | Xe | 131.30 | -162.6 | 41.4 | 4.55 | 0.038 | 0.365 | 3.06 | 0.08121 | -169.2 | 11.84 | 61.9 | 847 | 68.67 |
| Ozone | O3 | 47.99 | -168.3 | 6530 | 1.656 | 9.41 | -- | 1.352 | -- | -314.5 | 1.65 | 10.13 | 808.1 | 33.71 |
| Hydrogen Sulfide | H2S | 34.08 | -76.4 | 235.6 | 1.198 | 0.245 | 0.09608 | 0.9136 | -- | -- | -- | 212.9 | 1306.5 | 21.6 |
| Sulfur Dioxide | SO2 | 64.06 | 14 | 167.5 | 2.279 | 0.149 | 0.18272 | 1.46 | -- | -103.9 | 0.2429 | 315.4 | 1143 | 32.6 |
| Ethane | C2H6 | 30.07 | -127.53 | 210.41 | 1.056 | 0.386 | 0.08469 | 0.546 | -- | -297.9 | 14.70 | 86.96 | 708.35 | 12.67 |
| Ethylene | C2H4 | 28.05 | -154.8 | 208 | 0.978 | 0.399 | 0.07868 | 0.567 | -- | -272.5 | 1.0146 | 49.82 | 745 | 14.2 |
| Acetylene | C2H2 | 26.04 | -118.4a | 264c | 0.906 | 0.383 | 0.07314 | 0.613 | -- | -116.0 | 17.7 | 96.8 | 907 | 14.4 |
| Propane | C3H8 | 44.10 | -43.67 | 183.05 | 1.573 | 0.388 | 0.1261 | 0.58 | -- | -- | -- | 206.01 | 616.3 | 13.5 |
| Propylene | C3H6 | 42.08 | -53.9 | 188.18 | 1.481 | 0.355 | 0.11249 | 0.61 | -- | -- | -- | 197.2 | 670 | 14.5 |
| Methanol | CH3OH | 32.04 | 148.2 | 473 | -- | 0.3274 | 0.0893 | 0.795 | 0.6055 | -143.4 | -- | 464.1 | 1154.2 | 16.981 |
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a Sublimation point b Sublimation Enthalpy c Triple point d Boiling point |
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Universal Industrial Gases, Inc.
Universal Cryo Gas, LLC
3001 Emrick Blvd., Suite 320
Bethlehem, Pennsylvania 18020 USA
Phone (610) 559-7967 Fax (610) 515-0945
All material contained herein Copyright 2003 / 2017 UIG.