(1-Bromovinyl)trimethylsilane
(1-Bromovinyl)trimethylsilane (CAS: 13683-41-5; Formula: H₂C=C(Br)Si(CH₃)₃) is a halogenated organosilicon compound with a molecular weight of 179.13 g/mol. This flammable liquid serves as a valuable building block and reagent in organic synthesis, particularly for introducing vinylsilane functionalities into more complex molecules. Its structure makes it useful in cross-coupling reactions and other synthetic transformations.
- IUPAC
- α-(Trimethylsilyl)vinyl bromide
- Synonyms
- α-(Trimethylsilyl)vinyl bromide

Organic Synthesis Reagent
Utilised as a versatile building block in the synthesis of complex organic molecules. Its bromovinyl and trimethylsilyl groups allow for various synthetic transformations and coupling reactions.
Cross-Coupling Reactions
A key intermediate in palladium-catalysed cross-coupling reactions, enabling the formation of carbon-carbon bonds. It can be used to introduce vinylsilane motifs into target compounds.
Introduction of Vinylsilane Moieties
Facilitates the incorporation of the (1-bromovinyl)trimethylsilyl group into various organic frameworks, which can be further elaborated through subsequent reactions.
| Molecular weight | 179.13 |
|---|---|
| Linear formula | H2C=C(Br)Si(CH3)3 |
| Assay | ≥98.0% (GC) |
| Boiling point | 124 °C/745 mmHg(lit.) |
| Density | 1.156 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.458(lit.)n20/D 1.459 |
| Vapour density | >1 (vs air) |
| Storage temperature | 2-8°C |

Hazard statements
- H225Highly flammable liquid and vapour
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 13 °C / 55.4 °F |
| Transport (UN / ADR) | UN 1993BF 3 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F |
| Risk statements (R) | 11 |
| Safety statements (S) | 16-23-24/25 |
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 (1-Bromovinyl)trimethylsilane used for?
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(1-Bromovinyl)trimethylsilane is primarily used as a building block and reagent in organic synthesis, particularly in cross-coupling reactions and for introducing vinylsilane functionalities into organic molecules.
What is the CAS number and formula for (1-Bromovinyl)trimethylsilane?
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The CAS number for (1-Bromovinyl)trimethylsilane is 13683-41-5, and its linear formula is H₂C=C(Br)Si(CH₃)₃.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (1-Bromovinyl)trimethylsilane with an assay of ≥98.0% (GC). We do not represent this product as USP, BP, or EP grade.
How should (1-Bromovinyl)trimethylsilane be handled safely?
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This compound is a highly flammable liquid (Flash Point 13 °C) and an irritant. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area, away from ignition sources. Refer to the Safety Data Sheet for comprehensive guidance.
How is (1-Bromovinyl)trimethylsilane shipped and exported?
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As a specialised supplier and exporter, Tech Serve Solutions adheres to all relevant regulations for the safe packing, shipping, and export of chemicals like (1-Bromovinyl)trimethylsilane, including proper classification (UN 1993).
How can I request a quote or sample of (1-Bromovinyl)trimethylsilane?
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To request a quote or a sample of (1-Bromovinyl)trimethylsilane, please contact our sales team through the website or via direct enquiry, providing your specific requirements.
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