2-Carboxythiophenol, CAS No. 147-93-3

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147-93-3

Catalog No. EBD20963

CAS 147-93-3

Name 2-Carboxythiophenol

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Basic Information

Synonyms: 2-carboxythiophenol 2-mercapto-benzoicaci 2-sulfanylbenzoicacid 2-thio-salicylicaci benzoicacid,o-mercapto- o-benzoicacidthiol o-carboxythiophenol Thiosalicylicacid 2-hydroxybenzenecarbothioicS-acid (6-thioxocyclohexa-2,4-dien-1-ylidene)methanediolate o-Mercaptobenzoicacid 2-Mercaptobenzoicacid

Molecular Formula: C7H6O2S

Molecular Weight: 154.19

MDL Number: MFCD00004836

Categories: Synthetic Chemistry > Organic Building Blocks > Carboxylic Acids and Esters Synthetic Chemistry > Organic Building Blocks > Sulfides and Thioethers

Product Description:

2-Carboxythiophenol is an organosulfur compound featuring both a thiol (-SH) and a carboxylic acid (-COOH) group ortho-substituted on a benzene ring. This bifunctional structure makes it a versatile building block in organic synthesis, particularly for constructing heterocycles and metal-chelating ligands. Its primary application lies in the synthesis of pharmaceutical intermediates, such as precursors for thiolactone antibiotics and non-steroidal anti-inflammatory drugs (NSAIDs). The compound also serves as a key reagent in the preparation of thioindigo dyes and as a stabilizer in polymer chemistry. Due to its strong odor and reactivity, it requires careful handling under inert atmospheres. Its dual functionality enables selective protection-deprotection strategies in complex molecule assembly, making it valuable for both medicinal chemistry and materials science research.

Physical Properties

Melting Point: 162-165 °C(lit.)

Boiling Point: 298.6 °C at 760 mmHg

Flash Point: 150 °C

Density: 1.49

Solubility: soluble in hot water

Storage: 0-6°C

Analytical Data

Appearance: white to light yellow crystal powder