Methane

Methane

Methane
Àwọn orúkọ mìírànMethyl hydride, Marsh gas, firedamp
Identifiers
CAS number74-82-8
PubChem297
SMILES
InChI
ChemSpider ID 291
Properties
Molecular formulaCH4
Molar mass16.042 g/mol
AppearanceColorless gas
Density0.717 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 water3.5 mg/100 mL (17 °C)
Hazards
R-phrasesR12
S-phrasesÀdàkọ:(S2), Àdàkọ:S9, S16, S33
NFPA 704
4
1
0
Flash point-188 °C
Related compounds
Related alkanesEthane, propane
Related compoundsMethanol, chloromethane, formic acid, formaldehyde, silane
 Y (what is this?)  (verify)
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references