Trichloro (ethyl) silane

Structural formula
General
Surname	Trichloro (ethyl) silane
other names	Trichloroethylsilane; Ethyltrichlorosilane;
Molecular formula	C 2 H 5 Cl 3 Si
Brief description	colorless liquid with a pungent odor
External identifiers / databases
EC number	204-072-6
ECHA InfoCard	100.003.702
PubChem	8260
Wikidata	Q7840692
properties
Molar mass	163.51 g mol −1
Physical state	liquid
density	1.24 g cm −3
Melting point	−105.6 ° C
boiling point	100 ° C
Vapor pressure	36 hPa (20 ° C)
solubility	decomposes in water with violent reaction; soluble in carbon tetrachloride, benzene, ether, heptane, perchlorethylene;
Refractive index	1.425
safety instructions
H and P phrases	H: 225-302-314-331
	EUH: 014-071
	P: 210-280-305 + 351 + 338-310
Toxicological data	1330 mg kg −1 ( LD 50 , rat , oral )
	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

Trichloro (ethyl) silane is a chemical compound from the group of organosilicon compounds .

Extraction and presentation

Trichloro (ethyl) silane can be obtained by reacting ethene with trichlorosilane or ethyne with trichlorosilone in the presence of a peroxide catalyst.

{\ displaystyle {\ ce {C2H4 + HSiCl3 -> C2H5SiCl3}}}

properties

Trichlor (ethyl) silane is a volatile, easily flammable, colorless liquid with a pungent odor that decomposes in water. It decomposes when heated.

use

Trichlor (ethyl) silane is used in the manufacture of silicone polymers. By hydrogenation with lithium aluminum hydride , ethylsilane can be produced:

{\ displaystyle {\ ce {4 C2H5SiCl3 + 3 LiAlH4 -> 4 C2H5SiH3 + 3 LiCl + 3 AlCl3}}}

safety instructions

The vapors of trichloro (ethyl) silane can form an explosive mixture with air ( flash point 14 ° C, ignition temperature 385 ° C).

Individual evidence

↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Entry on ethyltrichlorosilane in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .
↑ ^a ^b Entry on trichloro (ethyl) silane in the Hazardous Substances Data Bank , accessed on October 23, 2015.
↑ Data sheet Ethyltrichlorosilane, ≥98% (GC) from Sigma-Aldrich , accessed on October 19, 2015 ( PDF ).
^ Eugene G. Rochow: Silicium and Silicones About Stone Age tools, ancient pottery, modern ceramics, computers, materials for space travel, and how it came about . Springer-Verlag, 2013, ISBN 978-3-662-09896-7 , pp. 82 ( limited preview in Google Book search).
↑ Richard P. Pohanish: Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens A-K . William Andrew, 2012, ISBN 978-1-4377-7869-4 , pp. 1289 ( limited preview in Google Book Search).
↑ AE Finholt, AC Bond, KE Wilzbach, HI Schlesinger: The Preparation and Properties of Some of hydride Elements of the Fourth Group of the Periodic System and of Their Organic Derivatives. In: Journal of the American Chemical Society. 69, 1947, p. 2692, doi: 10.1021 / ja01203a041 .

[GESTIS-1] ↑ ^a ^b ^c ^d ^e ^f ^g ^h ⁱ ^j ^k ^l Entry on ethyltrichlorosilane in the GESTIS substance database of the IFA , accessed on January 8, 2018(JavaScript required) .

[HSDB-2] Entry on trichloro (ethyl) silane in the Hazardous Substances Data Bank , accessed on October 23, 2015.

[Sigma-3] Data sheet Ethyltrichlorosilane, ≥98% (GC) from Sigma-Aldrich , accessed on October 19, 2015 ( PDF ).

[Eugene_G._Rochow-4] Eugene G. Rochow: Silicium and Silicones About Stone Age tools, ancient pottery, modern ceramics, computers, materials for space travel, and how it came about . Springer-Verlag, 2013, ISBN 978-3-662-09896-7 , pp. 82 ( limited preview in Google Book search).

[Richard_P._Pohanish-5] Richard P. Pohanish: Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens A-K . William Andrew, 2012, ISBN 978-1-4377-7869-4 , pp. 1289 ( limited preview in Google Book Search).

[6] AE Finholt, AC Bond, KE Wilzbach, HI Schlesinger: The Preparation and Properties of Some of hydride Elements of the Fourth Group of the Periodic System and of Their Organic Derivatives. In: Journal of the American Chemical Society. 69, 1947, p. 2692, doi: 10.1021 / ja01203a041 .