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Bis(trimethylsilyl)mercury

From Wikipedia, the free encyclopedia
Bis(trimethylsilyl)mercury
Identifiers
3D model (JSmol)
ChemSpider
EC Number
  • 236-315-7
  • InChI=1S/2C3H9Si.Hg/c2*1-4(2)3;/h2*1-3H3; checkY
    Key: RKCQQCXHUWKHGR-UHFFFAOYSA-N checkY
  • InChI=1/2C3H9Si.Hg/c2*1-4(2)3;/h2*1-3H3;/rC6H18HgSi2/c1-8(2,3)7-9(4,5)6/h1-6H3
    Key: RKCQQCXHUWKHGR-GMLBIIQIAA
  • C[Si](C)(C)[Hg][Si](C)(C)C
Properties
C6H18HgSi2
Molar mass346.972 g·mol−1
Boiling point104 °C (377 K)(dec.)
Hazards
GHS labelling:
GHS06: ToxicGHS08: Health hazardGHS09: Environmental hazard
Danger
H300,H310,H330,H373,H410
P260,P262,P264,P270,P271,P273,P280,P284,P301+P310,P302+P350,P304+P340,P310,P314,P320,P321,P322,P330,P361,P363,P391,P403+P233,P405,P501
Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).
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Chemical compound

Bis(trimethylsilyl)mercury is a chemical reagent with the formula (CH3)3-Si-Hg-Si-(CH3)3.

Synthesis

[edit]

This compound was first synthesized by Wiberget al. in 1963, by the reaction oftrimethylsilyl bromide withsodium amalgam:[1]

2 Na + Hg + TMSBr → TMS2Hg + 2 NaBr

Reactions

[edit]

On prolonged heating at 100-160 °C, or when stood under light as an ethereal solution, it decomposes tohexamethyldisilane:[1]

TMS2Hg → (CH3)3Si-Si(CH3)3 + Hg

Reaction withhydrogen chloride givestrimethylsilane andtrimethylsilyl chloride:[1]

TMS2Hg + HCl → TMSH + TMSCl + Hg

References

[edit]
  1. ^abcWiberg, E.; Stecher, O.; Andrascheck, H. J.; Kreuzbichler, L.; Staude, E. (1963). "Recent Developments in the Chemistry of Metal Silyls of the Type M(SiR3)n".Angew. Chem. Int. Ed. Engl.2 (9): 507.doi:10.1002/anie.196305071.

Further reading

[edit]
Mercury(I)
Mercury(II)
Organomercury
compounds
Mercury(IV)
Amalgams
Mercury cations
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