苯硅烷
苯硅烷或硅烷基苯是一种有机化合物,化学式为C6H5SiH3。它是无色液体,结构上和甲苯相似,它们有着相似的密度和沸点。它可溶于有机溶剂。
Phenylsilane | |||
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别名 | Silylbenzene | ||
识别 | |||
CAS号 | 694-53-1 | ||
PubChem | 12752 | ||
ChemSpider | 12228 | ||
SMILES |
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InChI |
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InChIKey | PARWUHTVGZSQPD-UHFFFAOYAT | ||
性质 | |||
化学式 | C6H8Si | ||
摩尔质量 | 108.21 g·mol−1 | ||
外观 | 无色液体 | ||
密度 | 0.878 g/cm3 | ||
熔点 | −68—−64 °C(205—209 K)[1] | ||
沸点 | 120 °C(393 K)[1] | ||
溶解性(水) | 水解 | ||
危险性 | |||
警示术语 | R:R11-R14/15-R20/22-R36/37/38 | ||
安全术语 | S:S16-S43 | ||
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
制备
苯硅烷可由硅酸四乙酯和苯基溴化镁为原料制备,反应会生成三乙氧基硅基苯,经氢化铝锂还原制得:[2]
- Ph-MgBr + Si(OEt)4 → Ph-Si(OEt)3 + MgBr(OEt)
- 4 Ph-Si(OEt)3 + 3 LiAlH4 → 4 Ph-SiH3 + 3 LiAl(OEt)4
参考文献
- "Metal-Organics Catalog" physical property data were obtained from Gelest, Inc. of Morrisville, Pennsylvania (US). Retrieved from SciFinder. [2020-11-27].
- Minge, O.; Mitzel, N. W.; and Schmidbaur, H. Synthetic Pathways to Hydrogen-Rich Polysilylated Arenes from Trialkoxysilanes and Other Precursors. Organometallics 2002, 21, 680-684. doi:10.1021/om0108595
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