二十五烷
| 二十五烷 | |
|---|---|
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| 识别 | |
| CAS号 | 629-99-2 
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| 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（英语：Pentacosane）是含有25个碳原子的直链烷烃，化学式为C25H52，外观为无色、透明的蜡状固体。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
- ^ 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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