Trimethyl(phenyl)silane
Trimethyl(phenyl)silane (CAS 768-32-1), with the molecular formula C6H5Si(CH3)3 and a molecular weight of 150.29 g/mol, is an organosilicon compound. It serves as a valuable reagent and building block in organic synthesis, particularly in reactions involving silylation. Its utility extends to the preparation of various organometallic compounds and complex organic molecules, making it a key intermediate for researchers and industrial chemists.
- IUPAC
- (Trimethylsilyl)benzene,Phenyltrimethylsilane

Organic Synthesis Intermediate
Trimethyl(phenyl)silane is utilised as a versatile intermediate in the synthesis of complex organic molecules. It is employed in various reactions, including silylation processes, to introduce the trimethylsilyl group.
Organometallic Chemistry
This compound finds application in the field of organometallic chemistry. It can be used in the preparation and study of novel organometallic reagents and complexes.
Research and Development
As a fine chemical, Trimethyl(phenyl)silane is widely used in academic and industrial research laboratories for exploring new synthetic routes and developing advanced materials.
| Molecular weight | 150.29 |
|---|---|
| Linear formula | C6H5Si(CH3)3 |
| Assay | 99% |
| Boiling point | 168-170 °C(lit.) |
| Density | 0.873 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.491(lit.) |


Hazard statements
- H226Flammable liquid and vapour
- H318Causes serious eye damage
- H413May cause long-lasting harmful effects to aquatic life
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 40 °C / 104 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-41 |
| Safety statements (S) | 16-26-36/39 |
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(phenyl)silane used for?
+
Trimethyl(phenyl)silane is primarily used as an intermediate in organic synthesis and organometallic chemistry. It serves as a reagent for silylation reactions and as a building block for creating more complex organic structures.
What is the CAS number and formula for Trimethyl(phenyl)silane?
+
The CAS number for Trimethyl(phenyl)silane is 768-32-1, and its molecular formula is C6H5Si(CH3)3.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies Trimethyl(phenyl)silane with an assay of 99%. This product is intended for research and chemical synthesis purposes and is not supplied as USP, BP, or EP grade.
How should Trimethyl(phenyl)silane be handled safely?
+
Trimethyl(phenyl)silane is a flammable liquid and vapour (H226) and causes serious eye damage (H318). It may cause long lasting harmful effects to aquatic life (H413). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid ignition sources.
How is Trimethyl(phenyl)silane packed and shipped?
+
Trimethyl(phenyl)silane is packed in compliance with relevant regulations for flammable liquids. It is shipped internationally by Tech Serve Solutions, adhering to strict safety and transport guidelines for hazardous materials, including UN 1993 classification.
How can I request a sample or quote for Trimethyl(phenyl)silane?
+
To request a sample or a quote for Trimethyl(phenyl)silane, please contact our sales team through the website or direct inquiry channels, providing your contact details and the quantity required.
▶ Related products

1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis

1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis