二甲硅烷基膦

二甲硅烷基膦
识别
CAS号 14616-42-3  checkY
性质
化学式 H7PSi2
摩尔质量 94.2 g·mol−1
若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

二甲硅烷基膦是一种无机化合物，化学式为(H3Si)2PH，它可由甲硅烷基膦和甲硅烷无声放电得到，副产物为丙硅烷；[1]或者通过溴甲硅烷和磷二氢化钾按化学计量比的反应制得[2]。三甲基硅基磷基锂（Li[P(SiH3)2]）和硫化氢的反应也会生成(H3Si)2PH，但同时会产生单取代和三取代的产物。[3]它可以和水或盐酸反应，放出磷化氢：[1]

(H3Si)2PH + H2O → (H3Si)2O + PH3
(H3Si)2PH + 2HCl → 2H3SiCl + PH3

参考文献

  1. ^ 1.0 1.1 Sudarshan D. Gokhale, William L. Jolly. The Synthesis of Disilanylphosphine and Disilylphosphine in a Silent Electric Discharge. Inorganic Chemistry. 1965-04, 4 (4): 596–597 [2023-03-03]. ISSN 0020-1669. doi:10.1021/ic50026a039. （原始内容存档于2023-03-01） （英语）. 
  2. ^ C. Glidewell, G. M. Sheldrick. Preparation and properties of mono- and di-silylphosphine and mono-and disilyl-arsine. Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1969: 350 [2023-03-03]. ISSN 0022-4944. doi:10.1039/j19690000350 （英语）. 
  3. ^ Cradock S, Ebsworth E A V, Rankin D W H, et al. Preparation and spectroscopic studies of some reactions of lithium derivatives of silanol, disilylphosphine, and related compounds. Journal of the Chemical Society, Dalton Transactions, 1976 (17): 1661-1667.

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