hydroxytrimethylsilane
Synonym(s):Hydroxytrimethylsilane;TMS;TMSiOH
- CAS NO.：1066-40-6
- Empirical Formula: C3H10OSi
- Molecular Weight: 90.2
- MDL number: MFCD02751657
- EINECS: 213-914-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-09-10 19:09:04
What is hydroxytrimethylsilane?
Description
Trimethylsilanol has strong acidity compared with the corresponding carbon alcohols, can react with tetrahydrolithium aluminum, Si-OH bond can be reduced Si-H bond, can be used as a blocking agent for straight-chain polysiloxanes with hydrophobicity, it is the most important intermediate in the preparation of organosilicon alcohol salts and all kinds of polysiloxanes products including silicone oils, silicone rubbers and silicone resins, etc, and it has a wide range of application prospects.
Chemical properties
Colorless clear liquid
The Uses of hydroxytrimethylsilane
Trimethylsilanol used as a hydrophobic coat on silicate surfaces. Used as an as an antimicrobial agent.
What are the applications of Application
Trimethylhydroxysilane is an organosilicon compound
Synthesis
Trimethylsilanol is produced by hydrolysis of trimethylchlorosilane.
Properties of hydroxytrimethylsilane
| Melting point: | -4.5 °C |
| Boiling point: | 90℃/760Torr |
| Density | 0.950 |
| vapor pressure | 19-55hPa at 25℃ |
| refractive index | 1.3889 |
| Flash point: | 4°(39°F) |
| storage temp. | Sealed in dry,Store in freezer, under -20°C |
| solubility | Chloroform (Sparingly), DMSO (Sparingly), Ethyl Acetate (Slightly), Methanol (Slightly) |
| form | liquid |
| pka | 12.67±0.58(Predicted) |
| Specific Gravity | 0.8139 |
| color | Clear, colourless |
| Water Solubility | Soluble in water (1.00 mg/ml). |
| Hydrolytic Sensitivity | 4: no reaction with water under neutral conditions |
| BRN | 1361356 |
| NIST Chemistry Reference | Silanol, trimethyl(1066-40-6) |
| EPA Substance Registry System | Silanol, trimethyl- (1066-40-6) |
Safety information for hydroxytrimethylsilane
| Signal word | Danger |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H225:Flammable liquids H332:Acute toxicity,inhalation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P233:Keep container tightly closed. P240:Ground/bond container and receiving equipment. P241:Use explosion-proof electrical/ventilating/lighting/…/equipment. P273:Avoid release to the environment. |
Computed Descriptors for hydroxytrimethylsilane
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