[thal-ik, fthal-] /ˈθæl ɪk, ˈfθæl-/
of or derived from .
phthalic phthal·ic (thāl’ĭk, fthāl’-)
noun 1. Chemistry. any of three isomeric acids having the formula C 8 H 6 O 4 , especially the ortho isomer (orthophthalic acid) a colorless, crystalline, slightly water-soluble solid used chiefly in the manufacture of dyes, medicine, and perfume. 2. . 3. . /ˈθælɪk; ˈfθæl-/ noun 1. a soluble colourless crystalline acid used in […]
noun, Chemistry. 1. a white, crystalline, slightly water-soluble solid, C 8 H 4 O 3 , used chiefly in the manufacture of dyes, alkyd resins, and plasticizers. noun 1. a white crystalline substance used mainly in producing dyestuffs. Formula: C6H4(CO)2O phthalic anhydride n. A white crystalline compound prepared by oxidizing naphthalene and used in the […]
[thal-in, fthal-] /ˈθæl ɪn, ˈfθæl-/ noun, Chemistry. 1. any of a group of compounds obtained by the reduction of the phthaleins.
noun 1. a pigment used in painting, derived from copper phthalocyanine and characterized chiefly by its brilliant, dark-blue color and by permanence.