Methane
Метан · Metan · Метан · 甲烷 · Metan · Methanum · Metan · Metano · Metano · متان · Метан · Methan
| CAS | 74-82-8 |
|---|---|
| EC | 200-812-7 |
| UN | 1971 |
| Formula | CH4 |
| Molar mass | 16.043 g/mol |
| LEL | 4.4 % vol |
| UEL | 17.0 % vol |
| Autoignition temperature | 600 °C |
| Temperature class | T1 |
| Gas group | IIA |
| Relative density of the gas or vapour (air = 1) | 0.554 |
| GHS | Danger · H220 |
Methane is a one-carbon compound in which the carbon is attached by single bonds to four hydrogen atoms. It is a colourless, odourless, non-toxic but flammable gas. Methane is a colorless odorless gas. It is also known as marsh gas or methyl hydride. It is easily ignited.