Sentence Examples

  • With diazotized benzidine it gives Congo red.
  • Gattermann, Ber., 1893, 26, p. 1844); in alcoholic alkaline solution it yields azoxybenzene; in acid alcoholic solution, benzidine; in ammoniacal alcoholic solution, phenylhydrazine.
  • It is used commercially for the preparation of aniline and of benzidine; and in perfumery (oil of mirbane).
  • BENZIDINE (DIPARA-DIAMINO-DIPHENYL),NH 2 C 6 H 4 C 6 H 4 NH2, a chemical base which may be prepared by the reduction of the corresponding dinitro-diphenyl, or by the reduction of azobenzene with tin and hydrochloric acid.
  • Benzidine crystallizes in plates (from water) which melt at '22' C., and boil above 360° C., and is characterized by the great insolubility of its sulphate.