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四十五烷

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四十五烷
别名 Pentatetracontane
识别
CAS号 7098-23-9  checkY
性质
化学式 C45H92
摩尔质量 633.21 g·mol−1
外观 无色无定形粉末[1]
密度 0.809 g·cm−3(过冷液体,1 bar)[2]
熔点 90—92 °C(363—365 K)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

四十五烷是一种有机化合物,化学式为C45H92,它可经Blaise酮合成、基斯内尔-沃尔夫还原制得。[3]它在760 mmHg时的沸点为554 °C,安托万常数为A=7.1829,B=2482.3,C=23.0。[4]它的临界点为965.59 K、7.69 bar。[5]它是菖蒲(Acorus calamus L.)根茎的提取物之一。[1]

参考文献

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  1. ^ 1.0 1.1 1.2 Arti Suman, Mohammed Ali, Iram Rais, Shahnaz S. Husain. Phytochemical Investigation of the Rhizomes of Acorus calamus. Chemistry of Natural Compounds. 2014-05, 50 (2): 293–297 [2022-08-17]. ISSN 0009-3130. doi:10.1007/s10600-014-0935-7 (英语). 
  2. ^ Harold C. Helgeson, Christine E. Owens, Annette M. Knox, Laurent Richard. Calculation of the Standard Molal Thermodynamic Properties of Crystalline, Liquid, and Gas Organic Molecules at High Temperatures and Pressures. Geochimica et Cosmochimica Acta. 1998-03, 62 (6): 985–1081 [2022-08-17]. doi:10.1016/S0016-7037(97)00219-6. (原始内容存档于2022-07-09) (英语). 
  3. ^ Oyama, Tomoo; Takamizawa, Kan'ichiro; Ogawa, Yoshihiro. Studies on phase transitions of higher odd n-alkanes. I. Effects of purity on phase transitions of higher odd n-alkanes(日語). Kobunshi Ronbunshu, 1980. 37 (11): 711-715. ISSN 0386-2186.
  4. ^ A. P. Kudchadker, B. J. Zwolinski. Vapor Pressure and Boiling Points of Normal Alkanes, C 21 to C 100 .. Journal of Chemical & Engineering Data. 1966-04, 11 (2): 253–255 [2022-08-17]. ISSN 0021-9568. doi:10.1021/je60029a039. (原始内容存档于2022-08-17) (英语). 
  5. ^ Ashutosh Kumar, Ryosuke Okuno. Critical parameters optimized for accurate phase behavior modeling for heavy n-alkanes up to C100 using the Peng–Robinson equation of state. Fluid Phase Equilibria. 2012-12, 335: 46–59 [2022-08-17]. doi:10.1016/j.fluid.2012.07.029 (英语).