2,5-Dibromo-3,4-dinitrothiophene
2,5-Dibromo-3,4-dinitrothiophene (CAS: 52431-30-8), with the empirical formula C4Br2N2O4S and a molecular weight of 331.93 g/mol, is a versatile thiophene derivative. This compound serves as a valuable monomer in materials science, particularly for synthesising conjugated thiophene oligomers and co-oligomers via Pd-catalyzed Stille coupling. Subsequent reduction allows for the formation of corresponding amine functionalities, broadening its synthetic utility.
- Synonyms
- 52431-30-8, C4Br2N2O4S
Conjugated Oligomer Synthesis
Utilised as a monomer in Palladium-catalyzed Stille coupling reactions to construct extended conjugated thiophene-based polymers and oligomers. These materials are of interest for applications in organic electronics.
Functionalisation via Amine Formation
The dinitro groups can be reduced to amines, providing functional handles for further synthetic modifications or for incorporation into more complex molecular architectures.
Building Block for Organic Electronics
Its structure lends itself to the development of novel organic semiconductors and electroactive materials for printed electronics and related fields.
| Molecular weight | 331.93 |
|---|---|
| Empirical formula | C4Br2N2O4S |
| Assay | 99% (GC) |
| Application | This monomer is useful in the Pd catalyzed Stille coupling to make conjugated thiophene oligomers or co-oligomers. The corresponding amine(s) can be obtained by subsequent reduction. |
| Melting point | 135-140 °C |
Hazard statements
- H302Harmful if swallowed
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Water hazard class (WGK, DE) | 3 |
|---|---|
| Hazard codes (EU) | Xn |
| Risk statements (R) | 22-36/37/38 |
| 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 2,5-Dibromo-3,4-dinitrothiophene used for?
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2,5-Dibromo-3,4-dinitrothiophene is used as a monomer in Pd-catalyzed Stille coupling to synthesise conjugated thiophene oligomers and co-oligomers. The dinitro groups can be subsequently reduced to amines for further modification.
What is the CAS number and formula for 2,5-Dibromo-3,4-dinitrothiophene?
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The CAS number is 52431-30-8, and the empirical formula is C4Br2N2O4S.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,5-Dibromo-3,4-dinitrothiophene with an assay of 99% (GC). This product is intended for research and development purposes and is not supplied as USP, BP, EP, or any other pharmacopoeial grade.
How should 2,5-Dibromo-3,4-dinitrothiophene be handled safely?
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Warning: Harmful if swallowed, causes skin irritation, causes serious eye irritation, and may cause respiratory irritation (H302-H315-H319-H335). Handle in a well-ventilated area, wear appropriate personal protective equipment including gloves, eye protection, and respiratory protection. Avoid breathing dust. In case of contact, rinse immediately with plenty of water. Refer to the Safety Data Sheet for full handling and emergency information.
How is 2,5-Dibromo-3,4-dinitrothiophene packed and shipped?
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2,5-Dibromo-3,4-dinitrothiophene is carefully packed according to industry standards for safe transport. TSS is an experienced global exporter of chemicals.
How can I request a quote or sample?
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To request a quote or a sample, please use the contact form on our website or contact our sales department directly, providing the product name and CAS number.
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