Gas Density Information
| Gas | Formula | Relative Density (Air = 1) | ||
| Acetylene | C2H2 | 0.898 | ||
| Ammonia | NH3 | 0.588 | ||
| Argon | A | 1.38 | ||
| Butane | C4H16 | 2.007 | ||
| Carbon Dioxide | CO2 | 1.52 | ||
| Carbon Monoxide | CO | 0.967 | ||
| Chlorine | CL2 | 2.45 | ||
| Ethane | C2H6 | 1.038 | ||
| Ethylene | C2H4 | 0.968 | ||
| Helium | HE | 0.138 | ||
| Hydrogen | H2 | 0.0695 | ||
| Hydrogen Chloride | HCL | 1.259 | ||
| Hydrogen Sulphide | H2S | 1.177 | ||
| Methane | CH4 | 0.554 | ||
| Nitrogen | N2 | 0.968 | ||
| Nitrous Oxide | N2O | 1.52 | ||
| Oxygen | O2 | 1.105 | ||
| Propane | C3H8 | 1.522 | ||
| Sulphur Dioxide | SO2 | 2.21 |
Further information about gas density data can be found here
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