二十五烷:修订间差异
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Pentacosane.svg |
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| ImageFile = Pentacosane. |
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| Density = 0.799±0.06 g·cm<sup>−3</sup>(20 °C) |
| Density = 0.799±0.06 g·cm<sup>−3</sup>(20 °C) |
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| MeltingPt = {{convert|54|C|K}}<ref>{{cite journal|journal=Japanese Journal of Applied Physics|volume=46|issue=2|language=en|issn=0021-4922|date=2007-02-08|pages=761–769|doi=10.1143/JJAP.46.761|url=https://iopscience.iop.org/article/10.1143/JJAP.46.761|title=Structure of Normal Alkane Evaporated Films: Molecular Orientation|accessdate=2020-11-06|author=Koji Nozaki, Rieko Saihara, Kiyoshi Ishikawa, Takashi Yamamoto}}</ref> |
| MeltingPt = {{convert|54|C|K}}<ref>{{cite journal|journal=Japanese Journal of Applied Physics|volume=46|issue=2|language=en|issn=0021-4922|date=2007-02-08|pages=761–769|doi=10.1143/JJAP.46.761|url=https://iopscience.iop.org/article/10.1143/JJAP.46.761|title=Structure of Normal Alkane Evaporated Films: Molecular Orientation|accessdate=2020-11-06|author=Koji Nozaki, Rieko Saihara, Kiyoshi Ishikawa, Takashi Yamamoto}}</ref> |
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| BoilingPt = {{convert|402|C|K}}<ref>{{cite journal|journal=Journal of the Serbian Chemical Society|volume=75|issue=7|language=en|issn=0352-5139|date=2010|pages=997–1003|doi=10.2298/JSC091123067J|url=http://www.doiserbia.nb.rs/Article.aspx?ID=0352-51391000067J|title=Reliable prediction of heat of vaporization of n-alkanes at 298.15 K|accessdate=2020-11-06|author=Jovan Jovanovic, Dusan Grozdanic}}</ref> |
| BoilingPt = {{convert|402|C|K}}<ref>{{cite journal|journal=Journal of the Serbian Chemical Society|volume=75|issue=7|language=en|issn=0352-5139|date=2010|pages=997–1003|doi=10.2298/JSC091123067J|url=http://www.doiserbia.nb.rs/Article.aspx?ID=0352-51391000067J|title=Reliable prediction of heat of vaporization of n-alkanes at 298.15 K|accessdate=2020-11-06|author=Jovan Jovanovic, Dusan Grozdanic|archive-date=2020-08-26|archive-url=https://web.archive.org/web/20200826170732/http://www.doiserbia.nb.rs/Article.aspx?id=0352-51391000067J|dead-url=no}} {{Wayback|url=http://www.doiserbia.nb.rs/Article.aspx?ID=0352-51391000067J |date=20200826170732 }}</ref> |
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| Section3 = {{Chembox Hazards |
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'''二十五烷'''(英語:''' |
'''二十五烷'''(英語:'''Pentacosane''')是含有25個碳原子的直鏈烷烴,化學式為C<sub>25</sub>H<sub>52</sub>,外觀為無色、透明的蠟狀固體。它理论上存在36797588种[[同分异构体]]。<ref>{{cite web|url=http://www.vias.org/genchem/orgcomp_alkanes_list.html|title=List of Alkanes|author=Hans Lohninger|date=2011-05-20|accessdate=2020-11-06|publisher=VIAS Library - General Chemistry|archive-date=2020-05-27|archive-url=https://web.archive.org/web/20200527084244/http://www.vias.org/genchem/orgcomp_alkanes_list.html|dead-url=no}} {{Wayback|url=http://www.vias.org/genchem/orgcomp_alkanes_list.html |date=20200527084244 }}</ref>它可由9,17-二十五烷二酮<!-- CAS 31334-46-0 -->的还原反应<ref>{{cite journal|journal=Journal of Chemical & Engineering Data|volume=46|issue=5|language=en|issn=0021-9568|date=2001-09|pages=1114–1122|doi=10.1021/je0003501|url=https://pubs.acs.org/doi/10.1021/je0003501|title=Temperatures and Enthalpies of Solid−Solid and Melting Transitions of the Odd-Numbered n- Alkanes C 21 , C 23 , C 25 , C 27 , and C 29|accessdate=2020-11-06|author=Virginie Chevallier, Mohammed Bouroukba, Dominique Petitjean, Danielle Barth, Paul Dupuis, Michel Dirand}}</ref>或[[1-溴庚烷]]和1-溴十八烷与金属[[钠]]的反应制得。<ref>Sun, Guojian. Process for preparation of high purity straight chain odd alkanes. 2009. CN 101397231 A.</ref> |
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== 参考文献 == |
== 参考文献 == |
2024年10月31日 (四) 13:19的最新版本
二十五烷 | |
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识别 | |
CAS号 | 629-99-2 |
SMILES |
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性质 | |
化学式 | C25H52 |
摩尔质量 | 352.68 g·mol−1 |
密度 | 0.799±0.06 g·cm−3(20 °C) |
熔点 | 54 °C(327 K)[1] |
沸点 | 402 °C(675 K)[2] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
二十五烷(英語:Pentacosane)是含有25個碳原子的直鏈烷烴,化學式為C25H52,外觀為無色、透明的蠟狀固體。它理论上存在36797588种同分异构体。[3]它可由9,17-二十五烷二酮的还原反应[4]或1-溴庚烷和1-溴十八烷与金属钠的反应制得。[5]
参考文献
[编辑]- ^ Koji Nozaki, Rieko Saihara, Kiyoshi Ishikawa, Takashi Yamamoto. Structure of Normal Alkane Evaporated Films: Molecular Orientation. Japanese Journal of Applied Physics. 2007-02-08, 46 (2): 761–769 [2020-11-06]. ISSN 0021-4922. doi:10.1143/JJAP.46.761 (英语).
- ^ Jovan Jovanovic, Dusan Grozdanic. Reliable prediction of heat of vaporization of n-alkanes at 298.15 K. Journal of the Serbian Chemical Society. 2010, 75 (7): 997–1003 [2020-11-06]. ISSN 0352-5139. doi:10.2298/JSC091123067J. (原始内容存档于2020-08-26) (英语). (页面存档备份,存于互联网档案馆)
- ^ Hans Lohninger. List of Alkanes. VIAS Library - General Chemistry. 2011-05-20 [2020-11-06]. (原始内容存档于2020-05-27). (页面存档备份,存于互联网档案馆)
- ^ Virginie Chevallier, Mohammed Bouroukba, Dominique Petitjean, Danielle Barth, Paul Dupuis, Michel Dirand. Temperatures and Enthalpies of Solid−Solid and Melting Transitions of the Odd-Numbered n- Alkanes C 21 , C 23 , C 25 , C 27 , and C 29. Journal of Chemical & Engineering Data. 2001-09, 46 (5): 1114–1122 [2020-11-06]. ISSN 0021-9568. doi:10.1021/je0003501 (英语).
- ^ Sun, Guojian. Process for preparation of high purity straight chain odd alkanes. 2009. CN 101397231 A.
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