|Molecular formula||C 12 H 12 Si|
light yellow clear liquid
|External identifiers / databases|
|Molar mass||184.31 g mol −1|
0.993 g cm ? 3 (25 ° C )
<20 ° C
95–97 ° C (at 17 hPa )
|As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . Refractive index: Na-D line , 20 ° C|
Extraction and presentation
Diphenylsilane can also be produced by electrochemical reduction of dichlorodiphenylsilane on a mercury electrode in 1,2-dimethoxyethane . In addition, diphenylsilane can be produced from the reaction of phenylsilane with the Grignard reagent phenylmagnesium bromide at an elevated temperature in tetrahydrofuran as a solvent:
Compared to the equivalent hydrocarbon compound diphenylmethane , diphenylsilane is much more easily oxidized and reacts with metal oxides, such as mercury (II) oxide , to form the corresponding diphenylsilanediol :
Silanes such as diephenylsilane are essentially stable to hydrolysis . But in the presence of acidic and basic catalysts , such as triethylamine or potassium hydroxide , it is converted to silanediol with evolution of hydrogen :
Diphenylsilane's flash point is 98 ° C.
- Datasheet Diphenylsilane from Sigma-Aldrich , accessed on September 22, 2018 ( PDF ).
- Entry on diphenylsilane at ChemicalBook , accessed on July 5, 2015.
- Didier Astruc: Organometallic Chemistry and Catalysis. Springer Science & Business Media, 2007, ISBN 978-3-540-46129-6 , p. 329 ( limited preview in Google book search).
- Barry Arkles: Silanes. (pdf) Reprint from Kirk-Othmer Encyclopedia of Chemical Technology, Forth Edition, Volume 22, pages 38-69. In: Gelest. Pp. 44ff , accessed on December 10, 2016 (English).
- Jürgen Bracht: Houben-Weyl Methods of Organic Chemistry Vol. IV / 1d, 4th Edition. Georg Thieme Verlag, 2014, ISBN 978-3-131-79714-8 , p. 702 ( limited preview in the Google book search).
- Franz Fehér and Rolf Lüpschen: New synthesis of phenyl-substituted cyclic silicon-sulfur compounds. In: Journal of Nature Research B . 26, 1971, pp. 1191-1192 ( online ).