Definition of phthalamic acid in English:

phthalamic acid

noun

Chemistry
  • A solid acidic compound, C₆H₄(COOH)(CONH₂), the monamide of phthalic acid, produced by reacting ammonia with phthalic anhydride.

Origin

Mid 19th century; earliest use found in William Odling (1829–1921), chemist.