trans-1,2-Dibromocyclopentane
trans-1,2-Dibromocyclopentane (CAS: 10230-26-9) is a halogenated hydrocarbon with a molecular weight of 227.93 g/mol. This compound serves as a versatile building block in organic synthesis. Its dibromo-substituted cyclopentane structure makes it valuable for creating more complex cyclic molecules and introducing functional groups in chemical research and development.
- Synonyms
- C5H8Br2

Organic Synthesis Intermediate
Utilised as a key intermediate in the synthesis of various organic compounds, particularly in the development of novel cyclic structures. Its vicinal dibromide functionality allows for diverse chemical transformations.
Research and Development
Employed in academic and industrial research settings for exploring new reaction pathways and synthesising target molecules. It is a valuable reagent for introducing bromine atoms onto a cyclopentane ring.
Building Block for Complex Molecules
Serves as a fundamental building block for constructing more intricate molecular architectures. The bromine atoms can be displaced or modified to create diverse functionalised cyclopentane derivatives.
| Molecular weight | 227.93 |
|---|---|
| Empirical formula | C5H8Br2 |
| Assay | 97% |
| Density | 1.857 g/mL at 25 °C |
| Refractive index | n20/D 1.550 |


Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- 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 | >110 °C / >230 °F |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36 |
| 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 trans-1,2-Dibromocyclopentane used for?
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trans-1,2-Dibromocyclopentane is primarily used as an intermediate in organic synthesis and as a building block for creating complex organic molecules in research and development.
What are the CAS number and formula for trans-1,2-Dibromocyclopentane?
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The CAS number for trans-1,2-Dibromocyclopentane is 10230-26-9, and its empirical formula (Hill Notation) is C5H8Br2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-1,2-Dibromocyclopentane with an assay of 97%. We do not represent this product as meeting USP, BP, EP, or other pharmacopoeia standards.
How should trans-1,2-Dibromocyclopentane be handled safely?
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trans-1,2-Dibromocyclopentane is labelled with Danger and carries hazard statements H302 (Harmful if swallowed) and H318 (Causes serious eye damage). Appropriate personal protective equipment, including eyeshields, face shields, and gloves, is essential. Consult the safety data sheet for full handling procedures.
How is trans-1,2-Dibromocyclopentane packed, shipped, and exported?
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As a global supplier, Tech Serve Solutions handles the packing, shipping, and export of trans-1,2-Dibromocyclopentane, adhering to all relevant international regulations for chemical transport.
How can I request a sample or quote for trans-1,2-Dibromocyclopentane?
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To request a sample or obtain a quotation for trans-1,2-Dibromocyclopentane, please contact our sales department through the TSS website or by phone.
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