(Bromomethyl)trimethylsilane
(Bromomethyl)trimethylsilane, CAS 18243-41-9, with the linear formula (CH3)3SiCH2Br and a molecular weight of 167.12 g/mol, is a valuable organosilicon compound. It serves as a key reagent in organic synthesis, particularly for introducing the trimethylsilylmethyl group. Its applications span various fields requiring precise chemical modification and the synthesis of complex molecules, making it a staple for research and development laboratories.
- IUPAC
- (Trimethylsilyl)methyl bromide
- Synonyms
- (Trimethylsilyl)methyl bromide

Organic Synthesis Reagent
This compound is widely employed as an alkylating agent in organic synthesis. It facilitates the introduction of the (trimethylsilyl)methyl moiety into various organic structures, enabling the construction of more complex molecules.
Organosilicon Chemistry
As an organosilicon compound, it is integral to studies and applications within organosilicon chemistry. It can be used to synthesise other silicon-containing compounds or functionalise materials with silyl groups.
Research and Development
It is a frequently used reagent in academic and industrial research laboratories for the development of new synthetic methodologies and the creation of novel chemical entities.
| Molecular weight | 167.12 |
|---|---|
| Linear formula | (CH3)3SiCH2Br |
| Assay | 97% |
| Boiling point | 115.5 °C/742 mmHg(lit.) |
| Density | 1.17 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.444(lit.) |


Hazard statements
- H225Highly flammable liquid and vapour
- H314Causes severe skin burns and eye damage
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- 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 | 16 °C / 60.8 °F |
| Transport (UN / ADR) | UN 2924 8(3) / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,C |
| Risk statements (R) | 11-34 |
| Safety statements (S) | 26-36/37/39-45 |
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 (Bromomethyl)trimethylsilane used for?
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(Bromomethyl)trimethylsilane is primarily used as a reagent in organic synthesis to introduce the trimethylsilylmethyl group into organic molecules. It is also important in organosilicon chemistry and research and development laboratories.
What are the CAS number and formula for (Bromomethyl)trimethylsilane?
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The CAS number for (Bromomethyl)trimethylsilane is 18243-41-9, and its linear formula is (CH3)3SiCH2Br.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (Bromomethyl)trimethylsilane with an assay of 97%. We do not represent this product as meeting pharmacopoeia standards (USP, BP, EP) unless explicitly stated in the product data.
What are the main hazards associated with (Bromomethyl)trimethylsilane?
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(Bromomethyl)trimethylsilane is a highly flammable liquid and vapour (H225) and causes severe skin burns and eye damage (H314). It requires careful handling with appropriate personal protective equipment.
How is (Bromomethyl)trimethylsilane packed and shipped?
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As a specialist supplier, Tech Serve Solutions exports (Bromomethyl)trimethylsilane globally. The product is packed according to UN 2924, Hazard Class 8(3), Packing Group II, ensuring safe transportation.
How can I request a sample or quote for (Bromomethyl)trimethylsilane?
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To request a sample or a quote for (Bromomethyl)trimethylsilane, please contact our sales team through the website or by calling our customer service number.
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