Trimethyl(phenylthiomethyl)silane
Trimethyl(phenylthiomethyl)silane (CAS: 17873-08-4, Formula: C₆H₅SCH₂Si(CH₃)₃) is an organosilicon compound with a molecular weight of 196.38 g/mol. This chemical serves as a valuable reagent in organic synthesis, particularly in reactions involving organometallic and organosilicon chemistry. Its unique structure allows for specific synthetic transformations, making it a useful tool for chemists in research and development.
- IUPAC
- (Phenylthiomethyl)trimethylsilane,(Trimethylsilyl)methyl phenyl sulfide,Phenyl (trimethylsilyl)methyl sulfide
- Synonyms
- (Trimethylsilyl)methyl phenyl sulfidePhenyl (trimethylsilyl)methyl sulfide

Synthetic Reagent
Used as a versatile reagent in organic synthesis, facilitating the introduction of the phenylthiomethyl group or trimethylsilyl moiety in various chemical transformations.
Organosilicon Chemistry
Explored in the field of organosilicon chemistry due to its silicon-carbon bond and the presence of a thioether linkage, enabling specialized reactions.
Research and Development
Employed in academic and industrial research laboratories for the development of novel synthetic methodologies and the creation of complex organic molecules.
| Molecular weight | 196.38 |
|---|---|
| Linear formula | C6H5SCH2Si(CH3)3 |
| Assay | 99% |
| Boiling point | 158-159 °C/52 mmHg(lit.) |
| Density | 0.967 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.539(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H332Harmful if inhaled
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 39 °C / 102.2 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 20-38 |
| Safety statements (S) | 23-28 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Trimethyl(phenylthiomethyl)silane used for?
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Trimethyl(phenylthiomethyl)silane (CAS: 17873-08-4) is utilised as a synthetic reagent in organic chemistry, particularly in organometallic and organosilicon research for introducing specific functional groups.
What are the CAS number and formula for Trimethyl(phenylthiomethyl)silane?
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The CAS number is 17873-08-4 and the linear formula is C₆H₅SCH₂Si(CH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Trimethyl(phenylthiomethyl)silane with a minimum purity of 99%. We do not represent this product as USP, BP, or EP grade.
How should Trimethyl(phenylthiomethyl)silane be handled safely?
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This compound is a flammable liquid and vapour (H226) and causes skin irritation (H315) and is harmful if inhaled (H332). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store away from heat and ignition sources.
How is Trimethyl(phenylthiomethyl)silane shipped?
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As a chemical supplier and exporter, Tech Serve Solutions ensures that Trimethyl(phenylthiomethyl)silane is packed and shipped in compliance with all relevant national and international regulations, including UN 1993 for transportation.
How can I request a quote or sample?
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To request a quote or sample of Trimethyl(phenylthiomethyl)silane, please contact our sales department through the website or by telephone.
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