Tris(tert-butoxy)silanethiol

Tris(tert-butoxy)silanethiol

Names

IUPAC name

Tris(tert-butoxy)silanethiol

Other names

Tri(tert-butoxy)silanethiol

Identifiers

CAS Number

690-52-8^N

Abbreviations

TBST

ChemSpider

4414610^Y

Jmol interactive 3D

InChI=1S/C12H28O3SSi/c1-10(2,3)13-17(16,14-11(4,5)6)15-12(7,8)9/h16H,1-9H3
Key: ZVUGYOCGLCLJAV-UHFFFAOYSA-N

SMILES

CC(C)(C)O[Si](S)(OC(C)(C)C)OC(C)(C)C

Properties

Chemical formula

C₁₂H₂₈O₃SSi

Molar mass

280.50 g·mol⁻¹

Appearance

Colourless liquid

Boiling point

113 to 115 °C (235 to 239 °F; 386 to 388 K) at 35 mmHg

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tris(tert-butoxy)silanethiol is a silicon compound containing three tert-butoxy groups and a rare Si-S-H functional group. This colourless compound serves as an hydrogen donor in radical chain reactions. It is prepared by alcoholysis of silicon disulfide and purified by distillation:

3 (CH₃)₃COH + SiS₂ → [(CH₃)₃CO]₃SiSH + H₂S

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