C5H4O2S
128.15 g/mol
Industrial ChemicalWarning
2-Thiophenecarboxylic acid
CAS527-72-0EC208-423-4
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
Lubricating grease thickener sodium salt
2-Thiophenecarboxylic acid is an organic compound featuring a thiophene ring with a carboxylic acid group. It is primarily used as a sodium salt thickening agent in lubricating greases, serving as a key industrial chemical in grease formulations.
Lubricating grease thickener sodium salt
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
ReferenceSame Category
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Chemical intermediate for synthesis
ReferenceSame Category
3-ethyl-4-picoline
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chemical intermediate
Referencestereoisomer of
Cuprous 2-thiophenecarboxylate
CAS68986-76-5
research compound
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H319Causes serious eye irritation
H335May cause respiratory irritation
Customs Tariff Classification
The international HS code for 2-Thiophenecarboxylic acid (CAS 527-72-0) 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-carboxylic acid
InChIKey
QERYCTSHXKAMIS-UHFFFAOYSA-N
SMILES
C1=CSC(=C1)C(=O)O
Synonyms (28)
- 2-TCA
- 2-Carboxythiophene
- 2-Thenoic acid
- 2-Thienylcarboxylic acid
- 2-Thiophenecarboxylic acid
- 2-thienoic acid
- 2Thiophenic acid
- 2hdq
- Rhinotrophyl
- Rhinotrophyl (TN)
- Tenoic acid
- Tenoic acid (DCF)
- Thenoic acid
- Thiophene Carboxylic Acid
- Thiophene-2-carbixylic acid
- Thiophene2carboxylic acid
- alphaThiophenecarboxylic acid
- thienoic acid
- thienyl carboxylic acid
- thiolcarboxylic acid
- thiopene-2-carboxylic acid
- thiophen-2-carboxylic acid
- thiophencarboxylic acid
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