Substance

ID:173426

Names and Identifiers
IUPAC Traditional name
methane
Synonyms
Methane
IUPAC name
methane
Registration numbers
EC Number
200-812-7
Beilstein Number
1718732
CAS Number
74-82-8
CHEBI ID
16183
Wikipedia Title
Methane
CHEMBL
17564
Chemspider ID
291
MeSH Name
Methane
PubChem CID
297
Gmelin ID
59
KEGG ID
C01438
Properties
Physical Property
Std enthalpy of formation
-74.87 kJ mol-1
Boiling Point
-164.15 - -160.15°C (109 - 113 K)
Auto Ignition Point
537 °C
Density
0.6556 g L-1
Heat Capacity
35.69 J K-1 mol-1
Std enthalpy of combustion
-891.1–-890.3 kJ mol-1
Flash Point
-188 °C
Apperance
Colorless gas
Std molar entropy
186.25 J K-1 mol-1
Odor
Odorless
Partition Coefficient
1.09
Solubility
22.7 mg L-1 in water
Melting Point
-182.45°C (90.7K)
Henry Constant
14 nmol Pa-1 kg-1
Safety Information
GHS Signal Word
DANGER
Risk Statements
R12
European Hazard Symbols
Highly flammable Highly flammable (F+)
EU Index
601-001-00-4
Explode Limits
5–15%
NFPA704
NFPA 704 diagram
4
1
0
Safety Statements
S2,S16,S33
UN Number
1971
GHS Pictograms
GHS_flame
Flammable gases, category 1
Flammable aerosols, categories 1,2
Flammable liquids, categories 1,2,3
Self-reactive substances and mixtures, Types B,C,D,E,F
Pyrophoric liquids, category 1
Pyrophoric solids, category 1
Self-heating substances and mixtures
Substances and mixtures, which in contact with water, emit flammable gases, categories 1,2,3
Organic peroxides, Types B,C,D,E,F
RTECS
PA1490000
GHS Precautionary statements
210
GHS Hazard statements
220
Molecule Details
Molecular Spectra
No Data Available
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References
No Data Available
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