1,2-Dibromocyclopentene
1,2-Dibromocyclopentene (CAS: 75415-78-0) is a halogenated hydrocarbon with a molecular weight of 225.91 g/mol. It serves as a valuable building block in organic synthesis, particularly for creating cyclopentene analogs. Supplied with an assay of 97%, this compound is suitable for research and chemical synthesis applications requiring precise molecular structures and halogenated functionalities.
- Synonyms
- C5H6Br21,2-Dibromocyclopent-1-ene

Synthesis of Cyclopentene Analogs
1,2-Dibromocyclopentene is employed as a precursor in the synthesis of various cyclopentene derivatives. Its vicinal dibromide structure facilitates further chemical transformations for creating complex cyclic organic molecules.
Organic Synthesis Building Block
As a halogenated hydrocarbon, this compound functions as a versatile building block in organic chemistry. It can be utilised in reactions where the introduction of a dibrominated cyclopentene moiety is required.
Research and Development
Suitable for laboratory-scale research, 1,2-Dibromocyclopentene aids in exploring new synthetic pathways and developing novel compounds. Its specific structure allows for targeted chemical modifications in R&D settings.
| Molecular weight | 225.91 |
|---|---|
| Empirical formula | C5H6Br2 |
| Assay | 97% |
| Boiling point | 78 °C/5 mmHg(lit.) |
| Density | 1.895 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.5558(lit.) |
| Storage temperature | 2-8°C |
| Application | 1,2-Dibromocyclopentene has been used in the synthesis of cyclopentene analogs1. |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Flash point | >113 °C / >235.4 °F |
| Water hazard class (WGK, DE) | 3 |
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 1,2-Dibromocyclopentene primarily used for?
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1,2-Dibromocyclopentene is primarily used in organic synthesis, particularly as a building block for creating cyclopentene analogs and other complex organic molecules.
What are the CAS number and molecular formula for 1,2-Dibromocyclopentene?
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The CAS number for 1,2-Dibromocyclopentene is 75415-78-0, and its empirical formula is C5H6Br2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1,2-Dibromocyclopentene with an assay of 97%. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What safety precautions should be taken when handling 1,2-Dibromocyclopentene?
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When handling 1,2-Dibromocyclopentene, it is essential to use appropriate personal protective equipment, including eyeshields and gloves. The compound has a high flash point but should be handled in a well-ventilated area. Refer to the safety data sheet for comprehensive information.
How is 1,2-Dibromocyclopentene packed and shipped?
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1,2-Dibromocyclopentene is carefully packed according to industry standards for chemical transport and can be exported globally by Tech Serve Solutions.
How can I request a quote or sample for 1,2-Dibromocyclopentene?
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To request a quote or a sample of 1,2-Dibromocyclopentene, please contact our sales team via the website or by phone. We will be happy to assist you with your requirements.
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