Methane

Methane
Ball and stick model of methane	Spacefill model of methane
Hō-miâ
	Iu-sian ê IUPAC hō-miâ Methane
	Hē-thóng-tek IUPAC hō-miâ Carbane (never recommended)
	Kî-tha hō-miâ Marsh gas; Natural gas; Carbon tetrahydride; Hydrogen carbide;
Sek-pia̍t-hō
CAS Number	74-82-8 ;
3D model (JSmol)	Interactive image;
3DMet	B01453
Beilstein Reference	1718732
ChEBI	CHEBI:16183 ;
ChEMBL	ChEMBL17564 ;
ChemSpider	291 ;
ECHA InfoCard	100.000.739
EC Number	200-812-7
Gmelin Reference	59
KEGG	C01438 ;
MeSH	Methane
PubChem CID	297;
RTECS number	PA1490000
UNII	OP0UW79H66 ;
UN number	1971
	InChI InChI=1S/CH4/h1H4 Key: VNWKTOKETHGBQD-UHFFFAOYSA-N ;
	SMILES C;
Sèng-chit
Hòa-ha̍k-sek	CH4
Mole chit-liōng	16.04 g·mol−1
Gōa-māu	Colorless gas
Khì-bī	Odorless
Bi̍t-tō͘	0.657 kg·m−3 (gas, 25 °C, 1 atm) ; 0.717 kg·m−3 (gas, 0 °C, 1 atm) ; 422.8 g·L−1 (liquid, −162 °C) ;
Iûⁿ-tiám	−182.456 °C (−296.421 °F; 90.694 K)
Hut-tiám	−161.5 °C (−258.7 °F; 111.6 K)
Tī chúi ê iûⁿ-kái-tō͘	22.7 mg·L−1
Iûⁿ-kái-tō͘	Soluble in ethanol, diethyl ether, benzene, toluene, methanol, acetone and insoluble in water
log P	1.09
Henry's law; constant (kH)	14 nmol·Pa−1·kg−1
Conjugate acid	Methanium
Conjugate base	Methyl anion
Chû-hòa-lu̍t (χ)	−17.4×10−6 cm3·mol−1
Kò͘-chō
Point group	Td
Molecular shape	Tetrahedron
Dipole moment	0 D
Jia̍t-hòa-ha̍k
Heat capacity (C)	35.7 J·(K·mol)−1
Piau-chún mole; entropy (So298)	186.3 J·(K·mol)−1
Piau-chún hêng-sêng; enthalpy (ΔfHo298)	−74.6 kJ·mol−1
Std enthalpy of; combustion (ΔcHo298)	−891 kJ·mol−1
Gûi-hiám
GHS pictograms
GHS signal word	DANGER
GHS hazard statements	H220
GHS precautionary statements	P210
NFPA 704	4 2 0 SA
Ín-hóe-tiám	−188 °C (−306.4 °F; 85.1 K)
Autoignition; temperature	537 °C (999 °F; 810 K)
Explosive limits	4.4–17%
Koan-liân hòa-ha̍p-bu̍t
Related alkanes	Methyl iodide; Difluoromethane; Iodoform; Carbon tetrachloride;
	Tû-liáu te̍k-pia̍t chí chhut, chu-liāu sī kun-kù bu̍t-chit ê piau-chún chōng-thài (tī 25 °C [77 °F], 100 kPa).
	cha-chèng ( sī siáⁿ ?)
	Infobox chham-chiàu

Methane sī siōng kan-tan-ê chi̍t-khóaⁿ Alkane, i-ê hòa-ha̍k-sek siá-chòe CH₄. 1-ê methane sī 1-ê carbon keng-iû 4-ê sp³ hūn-sêng kúi-tō lâi hām 4-ê hydrogen só͘ chó͘-sêng ê hoà-ha̍p-bu̍t. Methane sī thian-jiân-khì ê chú-iàu sêng-hun. In-ūi methane ū siong-tùi kah koâiⁿ-ê sán-liōng, só͘-í i sī chi̍t-ê chin jia̍t-mn̂g-ê jiân-liāu; put-kò, siu-chi̍p methane ē khì tú-tio̍h kī-su̍t-ê thiau-chiàn, in-ūi methane tī phiau-chún chōng-hóng chi-hā sī khì-thé.

Tsù-kái

↑ ^1.0 ^1.1 "Front Matter". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 3–4. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. Methane is a retained name (see P-12.3) that is preferred to the systematic name ‘carbane’, a name never recommended to replace methane, but used to derive the names ‘carbene’ and ‘carbyne’ for the radicals H₂C^2• and HC^3•, respectively.
↑ "Gas Encyclopedia". goân-loē-iông tī December 26, 2018 hőng khó͘-pih. November 7, 2013 khòaⁿ--ê.
↑ ^3.0 ^3.1 ^3.2 Haynes, p. 3.344
↑ Haynes, p. 5.156
↑ Haynes, p. 3.578
↑ Haynes, pp. 5.26, 5.67
↑ "Safety Datasheet, Material Name: Methane" (PDF). USA: Metheson Tri-Gas Incorporated. December 4, 2009. goân-loē-iông (PDF) tī June 4, 2012 hőng khó͘-pih. December 4, 2011 khòaⁿ--ê.
↑ NOAA Office of Response and Restoration, US GOV. "METHANE". noaa.gov. goân-loē-iông tī January 9, 2019 hőng khó͘-pih. March 20, 2015 khòaⁿ--ê.

Tsham-khó bûn-hèn

Haynes, William M., pian. (2016). CRC Handbook of Chemistry and Physics (97th pán.). CRC Press. ISBN 9781498754293.

Guā-pōo lên-ket

Tī Wikimedia Commons téng ê siong-koan tóng-àn: Methane

Methane at The Periodic Table of Videos (University of Nottingham)
International Chemical Safety Card 0291
Gas (Methane) Hydrates – A New Frontier – United States Geological Survey
Lunsford, Jack H. (2000). "Catalytic conversion of methane to more useful chemicals and fuels: A challenge for the 21st century". Catalysis Today. 63 (2–4): 165–174. doi:10.1016/S0920-5861(00)00456-9.
CDC – Handbook for Methane Control in Mining

Pún bûn-chiuⁿ sī chi̍t phiⁿ phí-á-kiáⁿ. Lí thang tàu khok-chhiong lâi pang-chō͘ Wikipedia.

[iupac2013-1] 1.0 ^1.1 "Front Matter". Nomenclature of Organic Chemistry : IUPAC Recommendations and Preferred Names 2013 (Blue Book). Cambridge: The Royal Society of Chemistry. 2014. pp. 3–4. doi:10.1039/9781849733069-FP001. ISBN 978-0-85404-182-4. Methane is a retained name (see P-12.3) that is preferred to the systematic name ‘carbane’, a name never recommended to replace methane, but used to derive the names ‘carbene’ and ‘carbyne’ for the radicals H₂C^2• and HC^3•, respectively.

[2] "Gas Encyclopedia". goân-loē-iông tī December 26, 2018 hőng khó͘-pih. November 7, 2013 khòaⁿ--ê.

[crc-3] 3.0 ^3.1 ^3.2 Haynes, p. 3.344

[4] Haynes, p. 5.156

[5] Haynes, p. 3.578

[6] Haynes, pp. 5.26, 5.67

[7] "Safety Datasheet, Material Name: Methane" (PDF). USA: Metheson Tri-Gas Incorporated. December 4, 2009. goân-loē-iông (PDF) tī June 4, 2012 hőng khó͘-pih. December 4, 2011 khòaⁿ--ê.

[8] NOAA Office of Response and Restoration, US GOV. "METHANE". noaa.gov. goân-loē-iông tī January 9, 2019 hőng khó͘-pih. March 20, 2015 khòaⁿ--ê.

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