3,3′-Bithiophene
3,3′-Bithiophene (CAS 3172-56-3), with the molecular formula C8H6S2 and a molecular weight of 166.26 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in organic synthesis, particularly for constructing more complex thiophene-based structures. Its primary applications are found in research and development settings for materials science and organic electronics.
- IUPAC
- 3,3′-Dithienyl
- Synonyms
- 3,3′-Dithienyl

Organic Synthesis Intermediate
3,3′-Bithiophene is utilised as a key intermediate in the synthesis of advanced organic materials. It enables the construction of conjugated polymers and oligomers with tailored electronic properties for potential use in organic electronics.
Materials Science Research
This compound is employed in materials science research for developing novel organic semiconductors. Its bithiophene structure is a fundamental unit for investigating structure-property relationships in organic electronic devices.
Heterocyclic Chemistry
As a bifunctional thiophene derivative, 3,3′-Bithiophene is a useful starting material in heterocyclic chemistry. It allows for further functionalisation to create diverse thiophene-containing molecules.
| Molecular weight | 166.26 |
|---|---|
| Empirical formula | C8H6S2 |
| Assay | 97% |
| Melting point | 132-135 °C(lit.) |
| 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 3,3′-Bithiophene used for?
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3,3′-Bithiophene is primarily used as a building block in organic synthesis for creating conjugated polymers, oligomers, and novel organic semiconductors in materials science research.
What is the CAS number and molecular formula for 3,3′-Bithiophene?
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The CAS number for 3,3′-Bithiophene is 3172-56-3, and its molecular formula is C8H6S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3,3′-Bithiophene with an assay of 97%. This product is not guaranteed to be USP, BP, or EP grade and is intended for research and chemical synthesis purposes.
How should 3,3′-Bithiophene be handled safely?
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Handling 3,3′-Bithiophene requires appropriate personal protective equipment, including eyeshields, gloves, and a type N95 (US) or type P1 (EN143) respirator filter, due to its hazardous nature (WGK Germany 3).
How is 3,3′-Bithiophene packed and exported?
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3,3′-Bithiophene is carefully packed according to industry standards for safe transit and is available for export globally by Tech Serve Solutions.
How can I request a quote or sample of 3,3′-Bithiophene?
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To request a quote or a sample of 3,3′-Bithiophene, please contact our sales team through the website or by phone.
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