Hexamethyldisilathiane

Structural formula
General
Surname	Hexamethyldisilathiane
other names	Bis (trimethylsilyl) sulfide Hexamethyldisilthiane
Molecular formula	(CH 3 ) 3 SiSSi (CH 3 ) 3
Brief description	colorless liquid with a strong odor
External identifiers / databases
CAS number 3385-94-2 EC number 222-201-4 ECHA InfoCard 100.020.184 PubChem 76920 Wikidata Q4917167
properties
Molar mass	178.44 g mol −1
Physical state	liquid
density	0.846 g cm −3 (25 ° C)
boiling point	164 ° C
Refractive index	1.4586 (20 ° C)
safety instructions
GHS labeling of hazardous substances danger H and P phrases H: 226-301-311-331 P: 261-280-301 + 310-311
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

Hexamethyldisilathiane is a chemical compound from the group of trimethylsilyl compounds .

Extraction and presentation

Hexamethyldisilathiane can be obtained by reacting trimethylsilyl chloride with hydrogen sulfide and pyridine .

${\displaystyle \mathrm {2\ (CH_{3})_{3}SiCl+H_{2}S+2\ C_{5}H_{5}N\longrightarrow [(CH_{3})_{3}Si]_{2}S+2\ C_{5}H_{5}N\cdot HCl} }$

properties

Hexamethyldisilathiane is a colorless liquid with a strong odor.

use

Hexamethyldisilathiane is mainly used to convert oxides and chlorides into the corresponding sulfides.

Individual evidence

1. ↑ ^{a b c d e f g h} Data sheet Hexamethyldisilathian, synthesis grade from Sigma-Aldrich , accessed on January 15, 2014 ( PDF ).
2. ↑ Georg Brauer (Ed.), With the collaboration of Marianne Baudler a . a .: Handbook of Preparative Inorganic Chemistry. 3rd, revised edition. Volume I, Ferdinand Enke, Stuttgart 1975, ISBN 3-432-02328-6 , p. 713.
3. ^ Sonny C. Lee, Richard H. Holm: Nonmolecular Metal Chalcogenide / Halide Solids and Their Molecular Cluster Analogues. In: Angewandte Chemie International Edition in English. 29, 1990, pp. 840-856, doi : 10.1002 / anie.199008401 .