Triacetoxy(methyl)silane
Triacetoxy(methyl)silane (CAS: 4253-34-3) is a methyl-substituted organosilicon compound with the linear formula (CH3CO2)3SiCH3 and a molecular weight of 220.25 g/mol. This chemical functions as a valuable building block in organic synthesis. Its ester and carbonyl functionalities make it suitable for various chemical reactions, contributing to the development of novel materials and complex molecules. Tech Serve Solutions offers this compound for your research and manufacturing needs.
- IUPAC
- Methyltriacetoxysilane
- Synonyms
- Methyltriacetoxysilane

Organic Synthesis Reagent
Triacetoxy(methyl)silane serves as a versatile reagent in organic synthesis. It can be employed in reactions where the introduction of a methylsilyl group or the formation of ester linkages is desired.
Building Block for Specialty Chemicals
This compound acts as a foundational building block for the synthesis of more complex specialty chemicals. Its unique structure allows for diverse derivatization pathways in research and development.
Crosslinking Agent
In certain polymer applications, organosilanes like Triacetoxy(methyl)silane can potentially be explored for their crosslinking capabilities, influencing material properties.
| Molecular weight | 220.25 |
|---|---|
| Linear formula | (CH3CO2)3SiCH3 |
| Assay | 90% |
| Grade | technical grade |
| Boiling point | 94-95 °C/9 mmHg(lit.) |
| Density | 1.20 g/mL at 20 °C(lit.) |
| Melting point | 40-45 °C(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Flash point | 84 °C / 183.2 °F |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 Triacetoxy(methyl)silane used for?
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Triacetoxy(methyl)silane is primarily used as a building block in organic synthesis and for the preparation of specialty chemicals.
What is the CAS number and chemical formula for Triacetoxy(methyl)silane?
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The CAS number is 4253-34-3, and its linear formula is (CH3CO2)3SiCH3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Triacetoxy(methyl)silane in technical grade with an assay of 90%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
What are the primary safety concerns when handling Triacetoxy(methyl)silane?
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Triacetoxy(methyl)silane is classified as a Warning. It can cause skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used.
How is Triacetoxy(methyl)silane packed, shipped, or exported?
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Tech Serve Solutions offers expertise in packing, shipping, and exporting fine chemicals globally, adhering to all relevant regulations for safe transport.
How can I request a sample or quote for Triacetoxy(methyl)silane?
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To request a sample or a quote, please contact our sales team through the website or by phone, referencing the product name and CAS number 4253-34-3.
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