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CAS 621-18-1

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3-(3-carboxyphenyl)azobenzoic acid

Description:
3-(3-Carboxyphenyl)azobenzoic acid, with the CAS number 621-18-1, is an organic compound characterized by its azo functional group, which consists of a nitrogen-nitrogen double bond (–N=N–) linking two aromatic rings. This compound features a carboxylic acid group (–COOH) attached to one of the phenyl rings, contributing to its acidic properties. It typically appears as a solid at room temperature and is soluble in polar solvents, such as water and alcohols, due to the presence of the carboxylic acid group. The compound is often used in dye chemistry and as a pH indicator due to its ability to undergo color changes in response to pH variations. Additionally, its structural features allow it to participate in various chemical reactions, making it useful in synthetic organic chemistry. The presence of both the azo and carboxylic acid functionalities provides opportunities for further derivatization and application in materials science, particularly in the development of dyes and pigments.
Formula:C14H10N2O4
InChI:InChI=1/C14H10N2O4/c17-13(18)9-3-1-5-11(7-9)15-16-12-6-2-4-10(8-12)14(19)20/h1-8H,(H,17,18)(H,19,20)
SMILES:c1cc(cc(c1)N=Nc1cccc(c1)C(=O)O)C(=O)O
Synonyms:
  • 3,3'-Diazene-1,2-diyldibenzoic acid
  • Benzoic Acid, 3,3'-(1,2-Diazenediyl)Bis-
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