Trimethylsilanol

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ImageFileL1 = Trimethylsilanol.png ImageSizeL1 = 100px
ImageFileR1 = Trimethylsilanol_(structure).png ImageSizeR1 = 160px
IUPACName = Hydroxytrimethylsilane
OtherNames = Trimethylhydroxysilane
Section1 = Chembox Identifiers
CASNo = 1066-40-6
PubChem = 66110
SMILES = C [Si] (C)(C)O
Section2 = Chembox Properties
Formula = C₃H₁₀OSi
MolarMass = 90.196 g/mol
Appearance =
Density =
MeltingPt =
BoilingPt = 98.6 - 99 °C
Solubility =
Section3 = Chembox Hazards
MainHazards =
FlashPt =
Autoignition =

Trimethylsilanol (TMS), also trimethylhydroxysilane, is an organosilicon chemical compound with the formula (CH₃)₃SiOH, or C₃H₁₀OSi. It is an organic derivate of silane substituted with three methyls and one hydroxyl group. It is a volatile organic liquid with boiling point between 98.6-99 °C.

TMS is used to apply hydrophobic coating on silicate surfaces. It reacts with the silicon atoms of the substrate, coating the surface with a layer of methyl groups. A commercial example is Magic Sand.

TMS is a common contaminant in spacecraft atmospheres, where it is present due to outgassing of silicone-based materials. [ [http://books.nap.edu/openbook.php?record_id=9062&page=177 Trimethylsilanol] , Harold L. Kaplan, Martin E. Coleman, and John T. James "Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants", Volume 1 (1994)] It is a potential end group hydrolysis product of polydimethylsiloxane chains.

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Triméthylsilanol — Général … Wikipédia en Français
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Silanol — Silanols are compounds containing silicon atoms to which hydroxy substituents bond directly. They are considered to be heavier analogues of alcohols. Silanols are named, when the hydroxy group is the principal one, by adding the suffix –ol to… … Wikipedia
Trimethylsilyl — For tetramethylsilane which also abbreviated as TMS see tetramethylsilane. A trimethylsilyl group (abbreviated TMS) is a functional group in organic chemistry. This group consists of three methyl groups bonded to a silicon atom [−Si(CH3)3] ,… … Wikipedia
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Chlortrimethylsilan — Strukturformel Allgemeines Name Chlortrimethylsilan Andere Namen … Deutsch Wikipedia
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Trimethylsilanol

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