| Trimethylsilanol | |
|---|---|
 |
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| IUPAC name |
Hydroxytrimethylsilane
|
| Other names | Trimethylhydroxysilane |
| Identifiers | |
| CAS number | 1066-40-6 |
| PubChem | 66110 |
| SMILES |
C[Si](C)(C)O
|
| Properties | |
| Molecular formula | C3H10OSi |
| Molar mass | 90.196 g/mol |
| Boiling point |
98.6 - 99 °C |
| Related compounds | |
| Related compounds | tert-Butanol |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) | |
| Infobox references | |
Trimethylsilanol (TMS), also trimethylhydroxysilane, is a silanol with the formula (CH3)3SiOH, or C3H10OSi. It is an organosilicon derivative 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.[1] It is a potential end group hydrolysis product of polydimethylsiloxane chains.
TMS, together with other silanols, is also being investigated as an antimicrobial agent.[2]
References
- ^ Trimethylsilanol, Harold L. Kaplan, Martin E. Coleman, and John T. James Spacecraft Maximum Allowable Concentrations for Selected Airborne Contaminants, Volume 1 (1994)
- ^ Yun-mi Kim, Samuel Farrah, Ronald H. Baney (2006). "Silanol - A novel class of antimicrobial agent". Electronic Journal of Biotechnology 9 (2): 176. doi:. http://www.ejbiotechnology.info/content/vol9/issue2/full/4/index.html.
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