二甲硅烷基膦

二甲硅烷基膦
识别
CAS号	14616-42-3
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

Sudarshan D. Gokhale, William L. Jolly. . 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）.
C. Glidewell, G. M. Sheldrick. . Journal of the Chemical Society A: Inorganic, Physical, Theoretical. 1969: 350 [2023-03-03]. ISSN 0022-4944. doi:10.1039/j19690000350 （英语）.
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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[IC-1] Sudarshan D. Gokhale, William L. Jolly. . 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. . 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.