Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.
a phenol occurring in coal tar in two forms: α- or 1-naphthol and β- or 2-naphthol. It is used in dyes, insecticides, and pharmaceutical compounds. If excessive amounts are ingested, poisoning may result, characterized by anemia, jaundice, convulsions, and coma.
A hydroxynaphthalene, occurring in two forms: α-naphthol, a dye intermediate used in cytochemistry for l-arginine localization; and β-naphthol, also known as isonaphthol, used as an anthelmintic and antiseptic. Both forms are also used in the manufacture of dyes, organic chemicals, and rubber products.
naphtholToxicology A white crystalline phenol derivative intermediate in the synthesis of multiple compounds including pharmaceuticals Toxicity Abdominal pain, glomerulonephritis, convulsions, circulatory collapse, skin pigmentation
a phenol occurring in coal tar: α-naphthol (1-hydroxynaphthalene) or β-naphthol (2-hydroxynaphthalene). It has antiseptic properties and is used in compound form as a skin antiseptic.