| Molecular formula | CH₄ |
| CAS Number | 74-82-8 |
| UN Number | 1971 |
| Appearance | Colourless, flammable gas |
| Odour | Odourless |
| Density | 0.657 kg/m³ |
| Melting point | –183ºC |
| Boiling point | –161ºC |
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