Chlorine (dimethyl) silane

Structural formula
General
Surname	Chlorine (dimethyl) silane
other names	Chlorodimethylsilane Dimethylchlorosilane Dimethylsilyl chloride DMSC
Molecular formula	C 2 H 7 ClSi
Brief description	colorless, pungent smelling liquid
External identifiers / databases
CAS number 1066-35-9 EC number 213-912-0 ECHA InfoCard 100.012.648 PubChem 66108 Wikidata Q1032513
properties
Molar mass	94.62 g mol −1
Physical state	liquid
density	0.85 g cm −3
Melting point	−103 ° C
boiling point	35 ° C
Vapor pressure	58.2 kPa (at 20 ° C)
solubility	Decomposes in water
Refractive index	1.382 (20 ° C, 589 nm)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 224-261-331-314 EUH: 014-071 P: 210-231 + 232-280-303 + 361 + 353-305 + 351 + 338-370 + 378
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

Chlorine (dimethyl) silane is an organosilicon compound from the group of silanes . Chlorine (dimethyl) silane is an extremely flammable colorless liquid that forms explosive vapors with air.

Extraction

Chlor (dimethyl) silane is obtained from chloromethane and silicon dioxide at 300 ° C and copper as a catalyst .

properties

Chlorine (dimethyl) silane decomposes on contact with water. The resulting aqueous solution reacts strongly acidic.

use

Of chloro (dimethyl) silane, and 2,6-dibromopyridine is 2,6-bis (chloromethyl) pyridine recovered.

Organohalosilanes are generally used as starting materials for silicones , water repellants , adhesion promoters , building protection agents , etc.

Individual evidence

1. ↑ ^{a b c d e f g h i j k} Entry on dimethylchlorosilane in the GESTIS substance database of the IFA , accessed on July 23, 2016(JavaScript required) .
2. ↑ Data sheet chlorodimethylsilane (PDF) from Merck , accessed on May 8, 2013.