Category:Phthalic

Phthal"ic, a. Etym: [naphthalene + -ic.] (chem.)

Defn: pertaining to, or designating, a dibasic acid obtained by the Oxidation of naphthalene and allied substances. Phthalic acid (chem.), a white crystalline substance, c6h4.(CO2H)2, analogous to Benzoic acid, and employed in the brilliant dyestuffs called the Phthaleins.