Viscosity of Different Gases
The following table provides a comprehensive list of dynamic (absolute) viscosity values for different gases, taken at room temperature (approximately 25°C or 77°F) and 1 atmospheric (atm) pressure. (1 atm = 101,325 Pa)
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| Acetylene | 10.4 |
| Air | 18.5 |
| Ammonia | 9.8 |
| Argon | 22.5 |
| Arsine | 14.6 |
| Boron trichloride | 11.4 |
| Boron trifluoride | 17.1 |
| Butane | 7.5 |
| 1-Butene | 7.0 |
| Carbon dioxide | 15.0 |
| Carbon monoxide | 17.8 |
| Carbonyl sulfide | 11.3 |
| Chlorine | 12.5 |
| Chloroethane | 9.7 |
| Chloromethane | 9.9 |
| Cyanogen | 14.4 |
| Cyclopropane | 8.7 |
| Deuterium | 12.6 |
| Diborane | 7.9 |
| Dichlorosilane | 11.2 |
| Dimethylamine | 7.7 |
| Dimethyl ether | 9.2 |
| Ethane | 9.4 |
| Ethylene | 10.4 |
| Fluorine | 23.2 |
| Helium | 19.9 |
| Hydrogen | 8.9 |
| Hydrogen bromide | 17.5 |
| Hydrogen chloride | 14.6 |
| Hydrogen sulfide | 12.5 |
| Isobutane | 7.5 |
| Krypton | 25.5 |
| Methane | 11.1 |
| Neon | 31.9 |
| Nitric oxide | 19.2 |
| Nitrogen | 17.9 |
| Nitrous oxide | 15.0 |
| Oxygen | 20.7 |
| Phosphine | 10.6 |
| Propane | 8.2 |
| Propylene | 7.8 |
| Sulfur Dioxide | 12.9 |
| Sulfur hexafluoride | 15.3 |
| Xenon | 23.2 |
The viscosity of gases can vary depending on the gas’s temperature, pressure, and other factors.
Related Tables
References: 1) CRC Handbook of Chemistry and Physics, 97th Edition. United Kingdom: CRC Press, 2016-2017. 2) Cardarelli, François. Materials Handbook: A Concise Desktop Reference. Switzerland: Springer International Publishing, 2018.