phthalic acid

phthalic acid (plural phthalic acids)

  1. (organic compound) Any of three isomeric aromatic organic benzenedicarboxylic acids, C6H4(COOH)2; especially the ortho- isomer manufactured from naphthalene, used in the synthesis of dyes, perfumes and other compounds.
  • Russian: фта́левая кислота́

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