(2-Bromovinyl)trimethylsilane
(2-Bromovinyl)trimethylsilane (CAS 41309-43-7) is an organosilicon compound with the linear formula BrCH=CHSi(CH3)3 and a molecular weight of 179.13 g/mol. This halogenated hydrocarbon functions as a valuable synthetic building block in organic chemistry. It is particularly useful in the preparation of more complex molecules through various coupling reactions and functional group transformations, serving as a versatile reagent for introducing specific structural elements.
- IUPAC
- β-(Trimethylsilyl)vinyl bromide,1-Bromo-2-(trimethylsilyl)ethylene
- Synonyms
- β-(Trimethylsilyl)vinyl bromide1-Bromo-2-(trimethylsilyl)ethylene

Organic Synthesis Reagent
This compound serves as a versatile building block in organic synthesis, enabling the introduction of bromovinyl and trimethylsilyl functionalities into target molecules. It participates in various coupling reactions and transformations.
Organosilicon Chemistry
As an organosilicon compound, it is relevant in studies and applications involving silicon-containing organic molecules. Its structure allows for unique reactivity profiles distinct from purely organic counterparts.
Precursor for Specialty Chemicals
It can be employed as a precursor in the multi-step synthesis of specialty chemicals, pharmaceutical intermediates, or advanced materials where its specific structural motif is required.
| Molecular weight | 179.13 |
|---|---|
| Linear formula | BrCH=CHSi(CH3)3 |
| Assay | ~87% (trans + ~13% cis) |
| Boiling point | 50-51 °C/52 mmHg(lit.) |
| Density | 1.167 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.466(lit.)n20/D 1.466 |
| Storage temperature | 2-8°C |


Hazard statements
- H226Flammable liquid and vapour
- 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 | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 29 °C / 84.2 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 26 |
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 (2-Bromovinyl)trimethylsilane primarily used for?
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(2-Bromovinyl)trimethylsilane is primarily used as a building block and reagent in organic synthesis for constructing more complex molecules and introducing specific functional groups.
What is the CAS number and chemical formula for (2-Bromovinyl)trimethylsilane?
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The CAS number is 41309-43-7 and the linear formula is BrCH=CHSi(CH3)3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (2-Bromovinyl)trimethylsilane with an assay of approximately 87% (trans + ~13% cis). TSS does not represent this product as USP, BP, EP, or other pharmacopoeial grades.
How should (2-Bromovinyl)trimethylsilane be handled safely?
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(2-Bromovinyl)trimethylsilane is a flammable liquid and vapour (H226) and causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Store at 2-8°C.
Is (2-Bromovinyl)trimethylsilane shipped internationally by TSS?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals and reagents, including (2-Bromovinyl)trimethylsilane.
How can I request a sample or quote for (2-Bromovinyl)trimethylsilane?
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To request a sample or quote for (2-Bromovinyl)trimethylsilane, please contact the TSS sales team via the website or your usual representative.
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