2,3′-Bithiophene
2,3′-Bithiophene (CAS 2404-89-9), with the molecular formula C8H6S2 and a molecular weight of 166.26 g/mol, is a key organic compound. It serves as a valuable building block and monomer in materials science, particularly for organic and printed electronics. Its well-defined structure makes it a useful reagent in synthetic chemistry for creating more complex thiophene-based molecules and polymers.
- Synonyms
- 2,2'-Bithiophene

Organic Electronics
2,3′-Bithiophene is utilized in the synthesis of organic semiconductors for applications such as organic field-effect transistors (OFETs) and organic photovoltaics (OPVs). Its structure contributes to favourable electronic properties in derived polymers.
Polymer Synthesis
This compound acts as a monomer or building block for the creation of conjugated polymers. These polymers often exhibit desirable electrical and optical properties for advanced material applications.
Synthetic Reagent
As a functionalised thiophene derivative, 2,3′-Bithiophene is employed as a versatile reagent in organic synthesis. It facilitates the construction of diverse heterocyclic systems and functional materials.
| Molecular weight | 166.26 |
|---|---|
| Empirical formula | C8H6S2 |
| Assay | 96% |
| Melting point | 60-64 °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 2,3′-Bithiophene used for?
+
2,3′-Bithiophene is primarily used as a building block and monomer in materials science, particularly for organic and printed electronics, and as a reagent in synthetic chemistry.
What is the CAS number and formula for 2,3′-Bithiophene?
+
The CAS number for 2,3′-Bithiophene is 2404-89-9, and its empirical formula (Hill notation) is C8H6S2.
What grade and purity does Tech Serve Solutions supply?
+
Tech Serve Solutions supplies 2,3′-Bithiophene with a minimum assay of 96%. We do not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should 2,3′-Bithiophene be handled?
+
Handling requires appropriate personal protective equipment, including eyeshields and gloves. Respiratory protection, such as a type N95 (US) or type P1 (EN143) respirator filter, is also recommended.
Is 2,3′-Bithiophene a controlled substance?
+
Based on the provided data, there is no indication that 2,3′-Bithiophene is a controlled substance.
How is 2,3′-Bithiophene packed and exported?
+
2,3′-Bithiophene is carefully packed to maintain its integrity during transport. Tech Serve Solutions is an experienced global supplier and exporter of fine chemicals.
How can I request a sample or quote for 2,3′-Bithiophene?
+
To request a sample or a quotation for 2,3′-Bithiophene, please contact our sales team through the website or by phone.
▶ Related products

Poly(3-hexylthiophene-2,5-diyl)
Organic & Printed Electronics
![[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers — chemical structure, CAS 609771-63-3; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F609771-63-3.png&w=3840&q=75)
[6,6]-Phenyl C71 butyric acid methyl ester, mixture of isomers
Organic & Printed Electronics

6,13-Bis(triisopropylsilylethynyl)pentacene
Organic & Printed Electronics
![[6,6]-Phenyl C61 butyric acid methyl ester — chemical structure, CAS 160848-22-6; Organic & Printed Electronics, fine chemical supplied by Tech Serve Solutions](/_next/image?url=https%3A%2F%2Fpub-f4d920c906024441a773a96f7098e551.r2.dev%2Fimages%2Fproducts%2F160848-22-6.png&w=3840&q=75)
[6,6]-Phenyl C61 butyric acid methyl ester
Organic & Printed Electronics

Fullerene-C60
C60
Organic & Printed Electronics
Cholesteryl hemisuccinate
C31H50O4
Organic & Printed Electronics
3,4-Ethylenedioxythiophene
Organic & Printed Electronics

Di-tetrabutylammonium cis-bis(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato)ruthenium(II)
Organic & Printed Electronics
▶ Explore more

3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis

3-Methyl-1,5-pentanediol
Chemical Synthesis

3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis