trans-2,3-Dibromo-2-butene-1,4-diol
trans-2,3-Dibromo-2-butene-1,4-diol (CAS 3234-02-4) is a chemical compound with a molecular weight of 245.90 g/mol. This dibrominated diol is primarily utilised in polymer science and materials science. Its unique structure makes it a valuable monomer for the synthesis of specialised polymers and as an intermediate in the development of novel materials, offering specific properties due to its bromine and hydroxyl functionalities.
- Synonyms
- 3234-02-4HOCH2C(Br)=C(Br)CH2OH

Monomer in Polymer Synthesis
As a diol with olefinic unsaturation and bromine substituents, trans-2,3-Dibromo-2-butene-1,4-diol can serve as a monomer in polymerisation reactions. It can be incorporated into polymer backbones to impart flame retardancy or modify mechanical properties.
Intermediate in Organic Synthesis
The presence of reactive bromine atoms and hydroxyl groups makes this compound a useful intermediate for further chemical transformations. It can be employed in the synthesis of more complex organic molecules for various research applications.
Materials Science Research
This chemical can be investigated for its potential in creating novel materials. Its specific functional groups allow for tailored interactions and properties, contributing to advancements in materials science research.
| Molecular weight | 245.90 |
|---|---|
| Linear formula | HOCH2C(Br)=C(Br)CH2OH |
| Assay | 97% |
| Melting point | 112-114 °C(lit.) |

Hazard statements
- H317May cause an allergic skin reaction
| Protective equipment | Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter |
|---|---|
| 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 trans-2,3-Dibromo-2-butene-1,4-diol used for?
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trans-2,3-Dibromo-2-butene-1,4-diol is used as a monomer in polymer synthesis and as an intermediate in organic chemistry, particularly within materials science and polymer science research.
What is the CAS number and chemical formula for trans-2,3-Dibromo-2-butene-1,4-diol?
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The CAS number is 3234-02-4 and the linear formula is HOCH₂C(Br)=C(Br)CH₂OH.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies trans-2,3-Dibromo-2-butene-1,4-diol with an assay of 97%. This is typically considered a technical or research grade; TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should trans-2,3-Dibromo-2-butene-1,4-diol be handled safely?
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This compound is classified as a GHS07 (Warning) substance with hazard statement H317 (May cause an allergic skin reaction). Appropriate personal protective equipment includes eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter. Handle in a well-ventilated area.
How is trans-2,3-Dibromo-2-butene-1,4-diol packed, shipped, and exported?
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Tech Serve Solutions carefully packs and ships chemicals in compliance with international regulations. We are a specialist global supplier and exporter of fine chemicals, pharmaceutical intermediates, and laboratory reagents.
How can I request a sample or quote for trans-2,3-Dibromo-2-butene-1,4-diol?
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To request a sample or a quote, please contact our sales department via the website or telephone, providing your specific requirements and delivery details.
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