Quick facts Identifiers, Properties ...
| Methane |
|---|
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 |
 |
 |
| Àwọn orúkọ mìíràn |
Methyl hydride, Marsh gas, firedamp |
| Identifiers |
| CAS number |
74-82-8 |
| PubChem |
297 |
| SMILES |
|
| InChI |
|
| ChemSpider ID |
291 |
| Properties |
| Molecular formula |
CH4 |
| Molar mass |
16.042 g/mol |
| Appearance |
Colorless gas |
| Density |
0.717 kg/m3, gas
415 kg/m3 liquid |
| Ojúàmì ìyọ́ |
-182.5 °C, 91 K, -297 °F |
| Ojúàmì ìhó |
-161.6 °C, 112 K, -259 °F |
| Solubility in water |
3.5 mg/100 mL (17 °C) |
| Hazards |
| R-phrases |
R12 |
| S-phrases |
Àdàkọ:(S2), Àdàkọ:S9, S16, S33 |
| NFPA 704 |
|
| Flash point |
-188 °C |
| Related compounds |
| Related alkanes |
Ethane, propane |
| Related compounds |
Methanol, chloromethane, formic acid, formaldehyde, silane |
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Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) |
| Infobox references |
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Methane
