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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 20443Generated: October 23, 2026

Di(2-thienyl)acetic acid

2,2-di(thiophen-2-yl)acetic acid · dithien-2-ylacetic acid · Di(2-thienyl)acetic acid · Bis(2-thienyl)acetic acid · 2,2-bis(2-Thienyl)acetic acid · 2,2-bis(thiophen-2-yl)acetic acid · 2-Thiopheneacetic acid, α-2-thienyl-

https://huagongshe.com/en/chemical/20443

Di(2-thienyl)acetic acid molecular structure

Identifiers & Physical Properties

CAS No.4408-82-6
Molecular formulaC10H8O2S2
Average molar mass224.3 g/mol
Monoisotopic mass223.9965715 g/mol
SMILESO=C(O)C(c1cccs1)c1cccs1
InChIKeyXOFMKTIZCDSXFR-UHFFFAOYSA-N
PubChem CID20443
DTXSIDDTXSID60196034

Chemical & Physical Properties

XLogP2.5
Topological polar surface area93.8
Hydrogen bond donors1
Hydrogen bond acceptors4
Rotatable bonds3
Heavy atoms14
Formal charge0
Complexity204
Melting point91-94 °C
Boiling point375.1±32.0 °C(Predicted)
Density1.404±0.06 g/cm3(Predicted)
pKa (acidity coefficient)3.69±0.10(Predicted)
FDA UNIIUK75PFG19K