3,4-Dibromothiophene-2-carboxaldehyde
3,4-Dibromothiophene-2-carboxaldehyde (CAS: 32896-02-9), with the molecular formula C5H2Br2OS and a molecular weight of 269.94 g/mol, is a halogenated thiophene derivative. This chemical serves as a valuable building block in organic synthesis. It is primarily utilised in the creation of complex organic molecules and as an intermediate in the development of new materials and pharmaceuticals, leveraging its reactive aldehyde and dibrominated thiophene functionalities.
- IUPAC
- 3,4-Dibromothiophene-2-carbaldehyde
- Synonyms
- C5H2Br2OS3,4-Dibromothiophene-2-carbaldehyde

Organic Synthesis Intermediate
3,4-Dibromothiophene-2-carboxaldehyde is employed as a key intermediate in multi-step organic syntheses. Its functional groups allow for diverse chemical transformations, enabling the construction of more complex heterocyclic compounds.
Pharmaceutical Research
This compound finds application in the early stages of pharmaceutical research and development. It can be used to synthesise novel drug candidates or to explore structure-activity relationships within medicinal chemistry programmes.
Materials Science
The thiophene core, modified with bromine atoms and an aldehyde group, makes this molecule a potential precursor for functional organic materials. These may include materials for electronic or optical applications.
| Molecular weight | 269.94 |
|---|---|
| Empirical formula | C5H2Br2OS |
| Assay | 97% |
| Melting point | 107-111 °C |

Hazard statements
- H301Toxic if swallowed
- H319Causes serious eye irritation
Precautionary statements
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| 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 3,4-Dibromothiophene-2-carboxaldehyde used for?
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3,4-Dibromothiophene-2-carboxaldehyde is primarily used as a building block and intermediate in organic synthesis, particularly in pharmaceutical research and materials science for the development of complex heterocyclic compounds.
What is the CAS number and molecular formula for 3,4-Dibromothiophene-2-carboxaldehyde?
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The CAS number for 3,4-Dibromothiophene-2-carboxaldehyde is 32896-02-9. Its molecular formula is C5H2Br2OS.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dibromothiophene-2-carboxaldehyde with an assay of 97%. We do not represent this product as USP, BP, or EP grade.
How should 3,4-Dibromothiophene-2-carboxaldehyde be handled?
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3,4-Dibromothiophene-2-carboxaldehyde is classified as toxic if swallowed and causes serious eye irritation. Handle with appropriate personal protective equipment in a well-ventilated area. In case of contact, rinse eyes thoroughly and seek medical attention immediately if swallowed. Refer to the Safety Data Sheet for full handling information.
Is 3,4-Dibromothiophene-2-carboxaldehyde shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 3,4-Dibromothiophene-2-carboxaldehyde.
How can I request a quote or sample?
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To request a quote or sample of 3,4-Dibromothiophene-2-carboxaldehyde, please use the 'Request a Quote' or 'Request a Sample' buttons on our product page, or contact our sales team directly.
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