PHENYLTHIOTRIMETHYLSILANE
Synonym(s):(Phenylthio)trimethylsilane;S-(Trimethylsilyl)thiophenol;Phenyl trimethylsilyl sulfide
- CAS NO.：4551-15-9
- Empirical Formula: C9H14SSi
- Molecular Weight: 182.36
- MDL number: MFCD00008272
- EINECS: 224-916-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:22
What is PHENYLTHIOTRIMETHYLSILANE?
Chemical properties
clear colorless to light yellow liquid
Physical properties
bp 93–99 °C/12 mmHg; d 0.967 g cm?3.
The Uses of PHENYLTHIOTRIMETHYLSILANE
(Phenylthio)trimethylsilane can be used in selective carbonyl protection; preparation of thioesters and cleavage of ethers.
Purification Methods
Phenylthio trimethylsilane (trimethyl phenylthio silane) [4551-15-9] M 182.4, b 95 -9 9o/12mm, d 4 0.97. Purification is as for phenyl trimethyl silylmethyl sulfide.
Properties of PHENYLTHIOTRIMETHYLSILANE
| Boiling point: | 72 °C/8 mmHg (lit.) |
| Density | 0.963 g/mL at 25 °C (lit.) |
| refractive index | n |
| Flash point: | 87 °F |
| storage temp. | Flammables area |
| solubility | sol organic solvents; incompatible with strong acids
and strong oxidizing agents. |
| form | clear liquid |
| color | Colorless to Light yellow |
| Specific Gravity | 0.963 |
| Water Solubility | Hydrolyzes in water. |
| Sensitive | Moisture Sensitive |
| Hydrolytic Sensitivity | 7: reacts slowly with moisture/water |
| BRN | 1905944 |
| CAS DataBase Reference | 4551-15-9(CAS DataBase Reference) |
| EPA Substance Registry System | Silane, trimethyl(phenylthio)- (4551-15-9) |
Safety information for PHENYLTHIOTRIMETHYLSILANE
| Signal word | Warning |
| Pictogram(s) |
 Flame Flammables GHS02  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H226:Flammable liquids H315:Skin corrosion/irritation H332:Acute toxicity,inhalation |
| Precautionary Statement Codes |
P210:Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P302+P352:IF ON SKIN: wash with plenty of soap and water. |
Computed Descriptors for PHENYLTHIOTRIMETHYLSILANE
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