C6H4O4S
172.16 g/mol
Industrial ChemicalWarning
2,5-Thiophenedicarboxylic acid
CAS4282-31-9EC224-284-2
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Building block for organic synthesis
2,5-Thiophenedicarboxylic acid is a chemical compound featuring a thiophene ring with two carboxylic acid groups. It serves as a building block for organic synthesis, particularly in the production of various organic compounds and materials.
Building block for organic synthesis
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 Compounds
SimilarStructure SimilarSimilarity 0.75
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Safety Reference
Warning
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2,5-Thiophenedicarboxylic acid (CAS 4282-31-9) 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
thiophene-2,5-dicarboxylic acid
InChIKey
YCGAZNXXGKTASZ-UHFFFAOYSA-N
SMILES
C1=C(SC(=C1)C(=O)O)C(=O)O
Synonyms (3)
- 2,5-Dicarboxythiophene
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