|
gptkbp:instanceOf
|
gptkb:alkene
gptkb:chemical_compound
|
|
gptkbp:appearance
|
colorless gas
|
|
gptkbp:aroma
|
odorless
|
|
gptkbp:autoignitionTemperature
|
537 °C
|
|
gptkbp:band
|
single covalent
|
|
gptkbp:boilingPoint
|
-161.5 °C
|
|
gptkbp:CASNumber
|
74-82-8
|
|
gptkbp:category
|
greenhouse gases
simple hydrocarbons
|
|
gptkbp:chemicalFormula
|
CH4
|
|
gptkbp:combustionProduct
|
gptkb:water
carbon dioxide
|
|
gptkbp:component
|
natural gas
|
|
gptkbp:criticalFor
|
4.60 MPa
|
|
gptkbp:criticalTemperature
|
-82.6 °C
|
|
gptkbp:density
|
0.656 kg/m³ (at 0 °C, 1 atm)
|
|
gptkbp:discoveredBy
|
gptkb:Alessandro_Volta
|
|
gptkbp:discoveredIn
|
1776
|
|
gptkbp:EC_number
|
200-812-7
|
|
gptkbp:flammability
|
highly flammable
|
|
gptkbp:foundIn
|
gptkb:bar
marshes
swamps
landfills
digestive tracts of ruminants
|
|
gptkbp:greenhouseGas
|
yes
|
|
gptkbp:GWP
|
~28-36
|
|
gptkbp:hasInChIKey
|
VNWKTOKETHGBQD-UHFFFAOYSA-N
|
|
gptkbp:IUPACName
|
methane
|
|
gptkbp:meltingPoint
|
-182.5 °C
|
|
gptkbp:molecularWeight
|
16.04 g/mol
|
|
gptkbp:oxidationStateOfCarbon
|
-4
|
|
gptkbp:producedBy
|
anaerobic decomposition
|
|
gptkbp:PubChem_CID
|
297
|
|
gptkbp:refractiveIndex
|
1.000444 (gas, 0 °C)
|
|
gptkbp:riskFactor
|
asphyxiant in high concentrations
explosive with air between 5-17% concentration
|
|
gptkbp:solubility
|
22.7 mg/L (at 20 °C)
|
|
gptkbp:structure
|
tetrahedral
|
|
gptkbp:UNNumber
|
1971
|
|
gptkbp:usedAs
|
gptkb:gasoline
chemical feedstock
|
|
gptkbp:uses
|
hydrogen production
ammonia synthesis
methanol production
acetylene production
|
|
gptkbp:vaporPressure
|
4.6 MPa (at 25 °C)
|
|
gptkbp:bfsParent
|
gptkb:Rac_Shade
|
|
gptkbp:bfsLayer
|
8
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Metan
|