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4656-04-6

4656-04-6 Structure

4656-04-6 Structure
IdentificationBack Directory
[Name]

Bis(trimethylsilyl)mercury
[CAS]

4656-04-6
[Synonyms]

Bis(trimethylsilyl)mercury
[Molecular Formula]

C6H18HgSi2
[MOL File]

4656-04-6.mol
[Molecular Weight]

346.968
Chemical PropertiesBack Directory
[Melting point ]

103°C (rough estimate)
[Boiling point ]

135.8°C
[solubility ]

sol diethyl ether, tetrahydrofuran, benzene, hexane, and carbon disulfide
[form ]

solid
Hazard InformationBack Directory
[Uses]

Bis(trimethylsilyl)mercury is used for: a precursor to trimethylsilyllithium; debrominates 1,2- and 1,3-dibromides; source of trimethylsilyl radical; useful reagent for preparation of metal-silicon bonds.
[Synthesis Reference(s)]

1. Wiberg, E.; Stecher, O.; Andrascheck, H. J.; Kreuzbichler, L.; Staude, E. AG(E) 1963, 2, 507.
[Synthesis]

Original procedure of the Bis(trimethylsilyl)mercury involves shaking Sodium Amalgam with Bromotrimethylsilane.1The resulting bis(trimethylsilyl)mercury is readily purified by sublimation at 60 °C in vacuo.
[Precautions]

Bis(trimethylsilyl)mercury is highly toxic and should be handled in an efficient fume hood. It is air sensitive.
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