Phenylsilane
Structural formula | ||||||||||||||||
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General | ||||||||||||||||
Surname | Phenylsilane | |||||||||||||||
other names |
Silylbenzene |
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Molecular formula | C 6 H 8 Si | |||||||||||||||
Brief description |
colorless, clear |
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External identifiers / databases | ||||||||||||||||
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properties | ||||||||||||||||
Molar mass | 108.21 g mol −1 | |||||||||||||||
Physical state |
liquid |
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density |
0.877 g cm −3 (25 ° C ) |
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Melting point |
<-60 ° C |
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boiling point |
120 ° C |
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safety instructions | ||||||||||||||||
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Toxicological data | ||||||||||||||||
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Phenylsilane is a chemical compound from the group of organosilicon compounds .
Extraction and presentation
Phenylsilane, by hydrogenation of trichlorophenylsilane with a reducing agent such as lithium aluminum hydride or lithium hydride are obtained:
properties
Physical Properties
Phenylsilane is structurally related to toluene and therefore has similar physical properties, such as boiling point (phenylsilane: 120 ° C, toluene: 111 ° C) and density (phenylsilane: 0.877 g cm −3 , toluene: 0.87 g cm - 3 ). Phenylsilane is soluble in organic solvents . The refractive index of diphenylsilane is n D 20 = 1.5125
Chemical properties
Silanes such as phenylsilane are essentially stable to hydrolysis . In the presence of acidic and basic catalysts such as triethylamine or potassium hydroxide, however, it is converted to the silanetriol with evolution of hydrogen :
The corresponding alkoxylates are formed with alcohols. Here, too, it needs the presence of catalysts , such as alkali metal oxides, hydrogen halide or metal - halides :
Reaction with chlorine , bromine and iodine produces the corresponding halides, whereby the reaction rate can be controlled by lowering temperatures:
safety instructions
Phenylsilane has a flash point of 8 ° C.