3,4-Dibromo-2(5H)-furanone
3,4-Dibromo-2(5H)-furanone (CAS: 149418-41-7) is a halogenated furan derivative with the molecular formula C4H2Br2O2 and a molecular weight of 241.87 g/mol. This compound functions as a valuable building block in organic synthesis, particularly for the construction of more complex heterocyclic structures. Its reactivity profile makes it suitable for various chemical transformations. Tech Serve Solutions supplies this reagent for research and development purposes.
- IUPAC
- 3,4-Dibromofuran-2(5H)-one
- Synonyms
- C4H2Br2O23,4-Dibromofuran-2(5H)-one

Organic Synthesis Intermediate
This compound serves as a versatile intermediate in the synthesis of novel organic molecules. Its dibrominated furan structure allows for diverse chemical modifications and derivatizations.
Heterocyclic Chemistry
As a halogenated heterocycle, 3,4-Dibromo-2(5H)-furanone is employed in the development of various furan-containing compounds and other heterocyclic systems.
Research and Development
It is utilised in academic and industrial research laboratories for exploring new synthetic pathways and creating novel chemical entities.
| Molecular weight | 241.87 |
|---|---|
| Empirical formula | C4H2Br2O2 |
| Assay | 97% |
| Melting point | 90-94 °C |

Hazard statements
- H302Harmful if swallowed
- H317May cause an allergic skin reaction
- H319Causes serious eye irritation
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| 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-Dibromo-2(5H)-furanone used for?
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3,4-Dibromo-2(5H)-furanone is primarily used as a building block in organic synthesis and for research in heterocyclic chemistry.
What are the CAS number and molecular formula for 3,4-Dibromo-2(5H)-furanone?
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The CAS number is 149418-41-7 and the molecular formula is C4H2Br2O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,4-Dibromo-2(5H)-furanone with a minimum purity of 97%. This product is intended for research and laboratory use and is not supplied as USP, BP, or EP grade.
What are the safety considerations for handling 3,4-Dibromo-2(5H)-furanone?
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3,4-Dibromo-2(5H)-furanone is classified as a Warning substance. It is harmful if swallowed (H302), may cause an allergic skin reaction (H317), and causes serious eye irritation (H319). Appropriate personal protective equipment, including gloves and eye protection, should be worn, and it should be handled in a well-ventilated area.
How is 3,4-Dibromo-2(5H)-furanone packed and shipped?
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This chemical is carefully packed according to international shipping regulations and is exported globally by Tech Serve Solutions.
How can I request a sample or quote for 3,4-Dibromo-2(5H)-furanone?
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To request a sample or a quotation, please contact the Tech Serve Solutions sales team via our website or direct email.
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