Methane
Guā-māu
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Hō-miâ | |||
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Iu-sian ê IUPAC hō-miâ
Methane[1] | |||
Hē-thóng-tek IUPAC hō-miâ
Carbane (never recommended[1]) | |||
Kî-tha hō-miâ
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Sek-pia̍t-hō | |||
3D model (JSmol)
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3DMet | B01453 | ||
1718732 | |||
ChEBI | |||
ChEMBL | |||
ChemSpider | |||
ECHA InfoCard | 100.000.739 | ||
EC Number | 200-812-7 | ||
59 | |||
KEGG | |||
MeSH | Methane | ||
PubChem CID
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RTECS number | PA1490000 | ||
UNII | |||
UN number | 1971 | ||
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Sèng-chit | |||
CH4 | |||
Mole chit-liōng | 16.04 g·mol−1 | ||
Gōa-māu | Colorless gas | ||
Khì-bī | Odorless | ||
Bi̍t-tō͘ | |||
Iûⁿ-tiám | −182.456 °C (−296.421 °F; 90.694 K)[3] | ||
Hut-tiám | −161.5 °C (−258.7 °F; 111.6 K)[3] | ||
22.7 mg·L−1[4] | |||
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 (
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−17.4×10−6 cm3·mol−1[5] | ||
Kò͘-chō | |||
Td | |||
Tetrahedron | |||
0 D | |||
Jia̍t-hòa-ha̍k[6] | |||
Heat capacity (C)
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35.7 J·(K·mol)−1 | ||
Piau-chún mole
entropy (S |
186.3 J·(K·mol)−1 | ||
−74.6 kJ·mol−1 | |||
−891 kJ·mol−1 | |||
Gûi-hiám[7] | |||
GHS pictograms | ![]() | ||
GHS signal word | DANGER | ||
H220 | |||
P210 | |||
NFPA 704 | |||
Ín-hóe-tiám | −188 °C (−306.4 °F; 85.1 K) | ||
537 °C (999 °F; 810 K) | |||
Explosive limits | 4.4–17% | ||
Koan-liân hòa-ha̍p-bu̍t | |||
Related alkanes
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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). | |||
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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
[siu-kái | kái goân-sí-bé]- ↑ 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 H2C2• and HC3•, 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
[siu-kái | kái goân-sí-bé]- Haynes, William M., pian. (2016). CRC Handbook of Chemistry and Physics (97th pán.). CRC Press. ISBN 9781498754293.
Guā-pōo lên-ket
[siu-kái | kái goân-sí-bé]- 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
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