3,4-Dibromothiophene
3,4-Dibromothiophene (CAS: 3141-26-2) is a halogenated heterocyclic compound with the molecular formula C4H2Br2S and a molecular weight of 241.93 g/mol. This thiophene derivative serves as a valuable building block in organic synthesis. It is primarily utilised in the preparation of more complex thiophene-based structures, including fused thiophene systems, and finds application in the synthesis of novel organic materials.
- Synonyms
- C4H2Br2S3,4-Dibromo-2,5-dihydrothiophene2,3-Dibromothiophene
Synthesis of Fused Thiophenes
3,4-Dibromothiophene is a key starting material for the synthesis of fused thiophene ring systems, such as thieno[3,4-b]thiophene. This application is crucial for developing novel organic electronic materials.
Preparation of Alkyl-Substituted Thiophenes
This compound serves as a precursor in the preparation of various alkyl-substituted and fused thiophenes. These derivatives are often explored for their unique electronic and photophysical properties.
Heterocyclic Building Block
As a di-brominated heterocycle, 3,4-Dibromothiophene offers two reactive sites for further functionalisation. This makes it a versatile building block in medicinal chemistry and materials science research.
| Molecular weight | 241.93 |
|---|---|
| Empirical formula | C4H2Br2S |
| Assay | 99% |
| Boiling point | 221-222 °C(lit.) |
| Density | 2.188 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.640(lit.) |
| Application | 3,4-Dibromothiophene was used in the preparation of thieno[3,4-b]thiophene1. It was aslo used as starting material in the synthesis of alkyl substituted, fused thiophenes2. |
| Melting point | 4-5 °C(lit.) |
Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, 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) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 used for?
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3,4-Dibromothiophene is primarily used as a building block in organic synthesis, particularly for the preparation of fused thiophene systems and other complex heterocyclic compounds.
What are the CAS number and chemical formula for 3,4-Dibromothiophene?
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The CAS number for 3,4-Dibromothiophene is 3141-26-2, and its empirical formula is C4H2Br2S.
What grade and purity does Tech Serve Solutions supply for 3,4-Dibromothiophene?
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Tech Serve Solutions supplies 3,4-Dibromothiophene with an assay of 99%. This product is intended for research and chemical synthesis purposes; TSS does not represent it as USP, BP, or EP grade.
How should 3,4-Dibromothiophene be handled safely?
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3,4-Dibromothiophene is classified with Warning signal word and hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Handle with appropriate personal protective equipment including eyeshields, gloves, and a suitable respirator, ensuring adequate ventilation.
How is 3,4-Dibromothiophene packed, shipped, and exported?
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3,4-Dibromothiophene is carefully packed to ensure stability and integrity during transit. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide, adhering to all relevant international shipping regulations.
How can I request a sample or obtain a quote for 3,4-Dibromothiophene?
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To request a sample or obtain a quote for 3,4-Dibromothiophene, please use the contact form on our website or call our sales department directly, referencing the product name and CAS number.
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