C8H6S2
166.3 g/mol
Electronic ChemicalWarning
2,2'-Bithiophene
CAS492-97-7EC207-767-2
Category
Electronic Chemical
Compound Class
Heterocycle
Primary Use
organic electronic material
2,2'-Bithiophene is an organic electronic material composed of two thiophene rings linked at the 2-position. It is commonly used as a building block in the synthesis of conjugated polymers and small molecules for organic electronics.
organic electronic materialbuilding block for conjugated polymers
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Reading
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Read moreSafety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H319Causes serious eye irritation
H332Harmful if inhaled
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,2'-Bithiophene (CAS 492-97-7) is 2934.99.
HS code (international, 6-digit)
2934.99
EU CN code (8-digit)
2934 99 90
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-thiophen-2-ylthiophene
InChIKey
OHZAHWOAMVVGEL-UHFFFAOYSA-N
SMILES
C1=CSC(=C1)C2=CC=CS2
Synonyms (16)
- 2,2'-Bithienyl
- 2,2'-Bithiophene
- 2,2'-Dithienyl
- 2,2'-Dithiophene
- 2,2'-bisthiophene
- 2-(2'-Thieno)thiophene
- 2-(2-Thienyl)thiophen
- 2-(2-thienyl)thiophene
- 2-(thien-2-yl)thiophene
- 2-thiophen-2-ylthiophen
- 2-thiophen-2-ylthiophene
- Bithiophene
- Dithienyl
- [2,2']Bithiophenyl
- alpha-bithiophene
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