Category:Naphthol

Naph"thol, n. Etym: [naphthalene + -ol.] (chem.)

Defn: any one of a series of hydroxyl derivatives of naphthalene, Analogous to phenol. In general they are crystalline substances with A phenol (carbolic) odor. Naphthol blue, naphthol orange, naphthol Yellow (chem.), brilliant dyestuffs produced from certain complex Nitrogenous derivatives of naphthol or naphthoquinone.