Chemistry:Tetraethylsilane
From HandWiki
Tetraethylsilane is an organosilicon compound with the chemical formula Si(CH
2CH
3)
4. It is a colorless liquid. Under standard coditions, it does not react with water, air, nitric acid or concentrated potassium hydroxide.[1] Its vapor density is 4.98, relative to air (air = 1).[2]
Synthesis
The synthesis of tetraethylsilane by reacting silicon tetrachloride with diethylmercury or diethylzinc in an ampoule at 140–160 °C (284–320 °F) was first reported in 1863 by Charles Friedel and James Mason Crafts.[1][3]
- SiCl
4 + 2 Zn(CH
2CH
3)
2 → Si(CH
2CH
3)
4 + 2 ZnCl
2
Uses
Tetraethylsilane reacts with halides of the boron group elements, such as boron tribromide or gallium trichloride with high yield and purity to form the corresponding dihaloethyl compound.[4]
- Si(CH
2CH
3)
4 + BBr
3 → (CH
3CH
2)
3SiBr + CH
3CH
2BBr
2 - Si(CH
2CH
3)
4 + GaCl
3 → (CH
3CH
2)
3SiCl + CH
3CH
2GaCl
2
References
- ↑ 1.0 1.1 Friedel, C.; Crafts, J. M. (January 1863). "Ueber einige neue organische Verbindungen des Siliciums und das Atomgewicht dieses Elementes" (in en). Justus Liebigs Annalen der Chemie 127 (1): 28–32. doi:10.1002/jlac.18631270103. ISSN 0075-4617. https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/jlac.18631270103.
- ↑ Cite error: Invalid
<ref>tag; no text was provided for refs namedsigmaaldrich - ↑ Soukup, Rudolf Werner (2020) (in de). Chemiegeschichtliche Daten organischer Substanzen.
- ↑ Schmidbaur, H.; Findeiss, W. (October 1964). "A Simple Route to Organogallium Compounds" (in en). Angewandte Chemie International Edition in English 3 (10): 696–696. doi:10.1002/anie.196406961. ISSN 0570-0833. https://onlinelibrary.wiley.com/doi/10.1002/anie.196406961.
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