(Trimethylsilyl)methyl trifluoromethanesulfonate
(Trimethylsilyl)methyl trifluoromethanesulfonate (CAS: 64035-64-9, Formula: CF3SO3CH2Si(CH3)3, MW: 236.28) is a versatile organic compound primarily utilised as a building block in chemical synthesis. Its structure, featuring both a trimethylsilyl group and a trifluoromethanesulfonate ester, makes it valuable for introducing specific functionalities in complex molecular architectures. This compound is employed in research and development settings, particularly within organic chemistry and materials science, where precise chemical transformations are required.
- IUPAC
- Trimethylsilylmethyl triflate

Organic Synthesis Reagent
(Trimethylsilyl)methyl trifluoromethanesulfonate serves as an electrophilic trifluoromethylating agent or a source of the trimethylsilylmethyl group in organic synthesis. It facilitates the formation of carbon-carbon and carbon-heteroatom bonds, enabling the construction of complex molecules.
Fluorinated Compound Synthesis
This compound is instrumental in the synthesis of various organofluorine compounds due to the presence of the trifluoromethanesulfonate moiety. These fluorinated derivatives often exhibit unique properties beneficial in pharmaceuticals and material science.
Research and Development
It is widely used in academic and industrial research laboratories for exploring novel synthetic pathways and developing new chemical entities. Its reactivity profile supports diverse research objectives in organic and medicinal chemistry.
| Molecular weight | 236.28 |
|---|---|
| Linear formula | CF3SO3CH2Si(CH3)3 |
| Assay | ≥98.0% (GC) |
| Grade | purum |
| Boiling point | 49-51 °C/9 mmHg(lit.) |
| Density | 1.182 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.376(lit.)n20/D 1.378 |
| Storage temperature | 2-8°C |


Hazard statements
- H226Flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 48 °C / 118.4 °F |
| Transport (UN / ADR) | UN 2920 3(8) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 10-34 |
| Safety statements (S) | 26-28-36/37/39-45 |
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 (Trimethylsilyl)methyl trifluoromethanesulfonate used for?
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It is primarily used as a versatile building block in organic synthesis, particularly for introducing trifluoromethanesulfonyl or trimethylsilylmethyl groups, and in the synthesis of fluorinated compounds for research and development purposes.
What are the CAS number and formula for (Trimethylsilyl)methyl trifluoromethanesulfonate?
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The CAS number is 64035-64-9, and the molecular formula is CF3SO3CH2Si(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Trimethylsilyl)methyl trifluoromethanesulfonate with a purity of ≥98.0% (GC) and a 'purum' grade. We do not represent this product as meeting USP, BP, or EP pharmacopoeial standards.
What are the main hazards associated with this chemical?
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This compound is a flammable liquid and causes severe skin burns and eye damage (H226, H314). Appropriate personal protective equipment, including gloves, goggles, and face shields, must be used, and it should be handled in a well-ventilated area.
How is (Trimethylsilyl)methyl trifluoromethanesulfonate packed, shipped, and exported?
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This chemical is packed and shipped according to international regulations for hazardous materials, including UN 2920 (3(8) / PGII). As a global supplier, Tech Serve Solutions has extensive experience in exporting fine chemicals worldwide.
How can I request a sample or a quote for (Trimethylsilyl)methyl trifluoromethanesulfonate?
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To request a sample or a quote, please contact our sales department through the website or call us directly. Our team will be happy to assist with your inquiry.
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