Category:Phenyl

Phe"nyl, n. Etym: [gr. -yl: cf. F. phényle. So called because it is a By-product of illuminating gas.] (chem.)

Defn: a hydrocarbon radical (c6h5) regarded as the essential residue Of benzene, and the basis of an immense number of aromatic Derivatives. Phenyl hydrate (chem.), phenol or carbolic acid. -- phenyl hydrazine (chem.), a nitrogenous base (c6h5.N2H3) produced Artificially as a colorless oil which unites with acids, ketones, Etc., to form well-crystallized compounds.