Methane
Appearance
Methane | |
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Àwọn orúkọ mìíràn | Methyl hydride, Marsh gas,firedamp |
Identifiers | |
CAS number | 74-82-8 |
PubChem | 297 |
SMILES | C
|
InChI | 1/CH4/h1H4
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ChemSpiderID | 291 |
Properties | |
Molecular formula | CH4 |
Molar mass | 16.042 g/mol |
Appearance | Colorless gas |
Density | 0.717 kg/m3,gas 415 kg/m3liquid |
Ojúàmì ìyọ́ |
-182.5 °C, 91 K, -297 °F |
Ojúàmì ìhó |
-161.6 °C, 112 K, -259 °F |
Solubilityinwater | 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 | |
Relatedalkanes | Ethane,propane |
Related compounds | Methanol,chloromethane,formic acid,formaldehyde,silane |
![]() Except where noted otherwise, data are given for materials in theirstandard state (at 25 °C, 100 kPa) | |
Infobox references |
Methane
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