1,1-Dibromo-2-vinylcyclopropane
1,1-Dibromo-2-vinylcyclopropane (CAS: 5398-65-2) is an organobromine compound with the molecular formula C5H6Br2 and a molecular weight of 225.91 g/mol. This halogenated hydrocarbon serves as a versatile building block in organic synthesis. It is particularly useful in reactions involving cyclopropane ring modifications and the introduction of vinyl functionalities. Its structure makes it a valuable intermediate for creating more complex organic molecules.
- Synonyms
- C5H6Br2

Organic Synthesis Intermediate
Utilised as a key building block in the synthesis of complex organic molecules. Its dibromovinylcyclopropane structure allows for diverse chemical transformations and the construction of novel molecular frameworks.
Cyclopropane Chemistry
A valuable reagent for studies and applications involving cyclopropane ring chemistry. It can participate in reactions leading to ring-opening or functionalisation, enabling access to unique carbocyclic and heterocyclic compounds.
Halogenated Hydrocarbon Research
Its distinct dibrominated cyclopropane moiety makes it a subject of interest in research concerning halogenated organic compounds and their reactivity patterns.
| Molecular weight | 225.91 |
|---|---|
| Empirical formula | C5H6Br2 |
| Assay | 96% |
| Density | 1.869 g/mL at 25 °C |
| Refractive index | n20/D 1.547 |
| Storage temperature | 2-8°C |

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
| Flash point | >110 °C / >230 °F |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38-52/53 |
| Safety statements (S) | 26-61 |
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 1,1-Dibromo-2-vinylcyclopropane used for?
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1,1-Dibromo-2-vinylcyclopropane is primarily used as a building block in organic synthesis, particularly in reactions involving cyclopropane ring modifications and the introduction of vinyl groups. It is useful for creating complex organic molecules and in research related to halogenated hydrocarbons.
What are the CAS number and molecular formula for 1,1-Dibromo-2-vinylcyclopropane?
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The CAS number is 5398-65-2, and the molecular formula is C5H6Br2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,1-Dibromo-2-vinylcyclopropane with an assay of 96%. We do not represent this product as USP, BP, EP, or other pharmacopoeia grades.
How should 1,1-Dibromo-2-vinylcyclopropane be handled?
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1,1-Dibromo-2-vinylcyclopropane is classified with GHS07 symbol and a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, avoiding inhalation and contact with skin and eyes. Refer to the Safety Data Sheet for detailed handling instructions.
Does Tech Serve Solutions export this chemical?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including 1,1-Dibromo-2-vinylcyclopropane.
How can I request a sample or quote for 1,1-Dibromo-2-vinylcyclopropane?
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To request a sample or a quotation for 1,1-Dibromo-2-vinylcyclopropane, please contact our sales team through the website or by phone.
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