phthalic anhydride
noun Chemistry.
a white, crystalline, slightly water-soluble solid, C8H4O3, used chiefly in the manufacture of dyes, alkyd resins, and plasticizers.
Origin of phthalic anhydride
First recorded in 1850–55
Words nearby phthalic anhydride
phse,
phthalate,
phthalein,
phthalic,
phthalic acid,
phthalic anhydride,
phthalin,
phthalocyanine,
phthalocyanine blue,
phthalocyanine green,
phthiocol
British Dictionary definitions for phthalic anhydride
phthalic anhydride
noun
a white crystalline substance used mainly in producing dyestuffs. Formula: C 6 H 4 (CO) 2 O
Medical definitions for phthalic anhydride
phthalic anhydride
n.
A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes.
Scientific definitions for phthalic anhydride
phthalic anhydride
A white crystalline compound prepared by oxidizing naphthalene and used in the manufacture of phthaleins and other dyes, resins, plasticizers, and insecticides. Chemical formula: C8H4O3.