phthalic acid

== English == === Noun === phthalic acid (plural phthalic acids) (organic chemistry) 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. ==== Derived terms ==== ==== Translations ==== ==== Further reading ==== phthalic acid on Wikipedia.Wikipedia