m
methane
Simplest organic molecule with one carbon atom and four hydrogen
Also known as marsh gas · methyl hydride · tetrahydridocarbon · Carbane · tetrahydrogen monocarbide · nonessential gasotransmitter
- Formula
- CH₄
1
- CH₄
- Mass
- 16.031 Da
1
- 16.031 Da
- Melting point
- -182.49°C
- , -182.46°C
- Boiling point
- 111.4 K
1
- , -161°C
- , -161.48°C
- 111.4 K
- Density
- 0.717 kg/m³
- , 422.36 kg/m³
Overview
Chemistry
All data
401 statements · 24% with external sources · numbers in brackets are citations
- Standard molar entropy
- 186.3 joule per mole kelvin state of matter: gas
1
- 186.3 joule per mole kelvin state of matter: gas
- Safety classification and labelling
- NFPA 704: Standard System for the Identification of the Hazards of Materials for Emergency Response nfpa health: 2 · nfpa fire: 4 · nfpa instability: 0
- Standard enthalpy of formation
- -74,520 joule per mole state of matter: gas
1
- -74,520 joule per mole state of matter: gas
- Has characteristic
- colorlessness applies to part: simple substance
- odorlessness applies to part: simple substance
- Has use
- fuel
- lifting gas nature of statement: rarely
- Part of
- methane metabolic process subject has role: participant
1
- methanogenesis subject has role: product
1
- methanogenesis, from acetate subject has role: product
1
- methanogenesis, from carbon dioxide subject has role: product
1
- methanogenesis, from methanol subject has role: product
1
- methane catabolic process subject has role: reactant
1
- methane biosynthetic process from methanol and hydrogen subject has role: product
1
- methane biosynthetic process from formic acid subject has role: product
1
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- methane biosynthetic process from methylamine subject has role: product
1
- methane biosynthetic process from dimethylamine subject has role: product
1
- methane biosynthetic process from trimethylamine subject has role: product
1
- methane biosynthetic process from dimethyl sulfide subject has role: product
1
- methane biosynthetic process from 3-(methylthio)propionic acid subject has role: product
1
- methane biosynthetic process from methanethiol subject has role: product
1
- methane biosynthetic process from carbon monoxide subject has role: product
1
- coenzyme-B sulfoethylthiotransferase activity
1
- alpha-D-ribose 1-methylphosphonate 5-phosphate C-P-lyase activity
1
- methane monooxygenase NADH activity
1
- methane monooxygenase NADPH activity
1
- methane metabolic process subject has role: participant
- Autoignition temperature
- 537.8°C
- Combustion enthalpy
- -890.3 kilojoule per mole
- Global warming potential
- 28 runtime: 100 years
- 84 runtime: 20 years
- Found in taxon
- Callyspongia
- Callyspongia truncata
- Petrosia ficiformis
- Petrosia
- Petrosia durissima
- Dittrichia viscosa
1
- Aspergillus
- Mandragora turcomanica
1
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- Mandragora officinarum
1
- Stangeria eriopus
- Cycas revoluta
5
Sources- 1.Stated in Azoxyglycoside contents in seeds of several cycad species and various parts of Japanese cycad.
- 2.Stated in Formation of cycasin from methylazoxymethanol by UDP-glucosyltransferase from leaves of Japanese cycad.
- 3.Stated in Simultaneous determination of azoxyglycosides by high performance liquid chromatography and their contents in growing leaves of Japanese cycad
- 4.Stated in Inhibitory effects of cycasin on germination, growth and .ALPHA.-amylase biosynthesis in rice plants.
- 5.Stated in Cycasin formation in tissue cultures of Japanese cycad
- Macrozamia riedlei
- Dioon spinulosum
- Macrozamia communis
- Cycas media
- Ceratozamia mexicana
- Zamia furfuracea
- Eumaeus atala
- Zamia integrifolia
- Datura innoxia
1
- Datura innoxia
1
- Datura discolor
1
- Elephantopus elatus
- Fragaria
- Streptomyces catenulae
- Electric dipole moment
- 0 debye
- Ionization energy
- 12.51 eV
On other databases
88 identifiers linking methane across the web's reference databases
- Analysis & Policy Observatory term ID59411
- Art & Architecture Thesaurus ID300380535
- ASHRAE refrigerant number50
- Australian Educational Vocabulary IDscot/6497
- BabelNet ID00054616n
- BBC News topic IDc2y1q878my8t
- BBC Things IDb416d392-f423-4458-a24e-944bda1e2036
- Bibliothèque nationale de France ID11980022t
- BNCF Thesaurus ID31236
- CAS Registry Number74-82-8
- CDB Chemical ID4123821
- ChEBI ID16183
- ChEMBL IDCHEMBL17564
- ChemSpider ID291
- CSD RefcodeZZZWEQ04
- Dewey Decimal Classification661.814
- DrugBank IDDB15994
- DSSTOX compound identifierDTXCID705545
- DSSTox substance IDDTXSID8025545
- EC number200-812-7
- ECHA Substance Infocard ID100.000.739
- Encyclopædia Britannica Online IDscience/methane
- Encyclopædia Universalis IDmethane
- Encyclopedia of China (Second Edition) ID210953
- Encyclopedia of China (Third Edition) ID (2026)ENmHT
- Encyclopedia of China (Third Edition) old ID (2021)156630
- Freebase ID/m/04ydh
- Global Energy Monitor Wiki IDMethane
- Gmelin number59
- GND ID4169678-5
- Golden ID (archived)Methane-J3JKVE
- Gran Enciclopèdia Catalana IDmeta-6
- Gran Enciclopèdia Catalana ID (former scheme)0123122
- Great Encyclopedia of Cyril and Methodius entry IDМетан
- Great Norwegian Encyclopedia IDmetan
- Great Russian Encyclopedia portal IDmetan-54c13a
- HSDB ID167
- Human Metabolome Database IDHMDB0002714
- ICSC ID0291
- InChIInChI=1S/CH4/h1H4
- InChIKeyVNWKTOKETHGBQD-UHFFFAOYSA-N
- J-GLOBAL ID200907011491248663
- J9U entity ID987007529210705171
- JSTOR topic ID (archived)methane
- KBpedia IDMethane
- KEGG IDC01438
- Lex IDmetan
- Library of Congress Authorities IDsh85084379
- MassBank accession IDMSBNK-Fac_Eng_Univ_Tokyo-JP001582
- MeSH descriptor IDD008697
- MeSH tree codeD02.455.326.146.571
- Microsoft Academic ID (discontinued)516920438
- Museum-digital tag ID100251
- NALT ID6475
- National Library of Latvia ID000171382
- NDL Authority ID00576602
- Nikkaji IDJ2.380I
- NL CR AUT IDph122774
- NMRShiftDB structure ID20029286
- OmegaWiki Defined Meaning2332
- OpenAlex IDC2992815219
- PDB ligand ID74C
- Probes And Drugs IDPD099432
- PSH ID5944
- PubChem CID297
- Quora topic IDMethane
- Reaxys registry number1718732
- Römpp online IDRD-13-01634
- RTECS numberPA1490000
- ScienceDirect topic IDagricultural-and-biological-sciences/methane
- SPLASHsplash10-014i-9000000000-349ab823203cc040e2ee
- Statistics Finland Concept Database IDmetaani
- SureChEMBL ID15842033
- SVKKL authority IDh0006150-methan
- UK Parliament thesaurus ID11630
- UM-BBD compound IDc0095
- UMLS CUIC0025617
- UN number1971
- UniChem compound ID220545
- Unified Astronomy Thesaurus ID1042
- UNIIOP0UW79H66
- UNSPSC code15111502
- Vikidia article IDfr:Méthane
- WikiKids IDMethaan
- WordNet 3.1 Synset ID14975368-n
- Yale LUX IDconcept/23ed7fd5-2990-45c5-9587-c7dac452a223
- YSO ID13222
- ZVG number10000