Structural Formula Vector Image
Title: 2-Phenyl-1H-benzimidazole
CAS Registry Number: 716-79-0
Additional Names: N,N¢-Benzenyl-o-phenylenediamine; phenzidole
Trademarks: Gainex
Molecular Formula: C13H10N2
Molecular Weight: 194.23
Percent Composition: C 80.39%, H 5.19%, N 14.42%
Literature References: Prepn from N-benzoyl-o-phenylenediamine: v. Auwers, Frese, Ber. 59, 548 (1926); from o-phenylenediamine and benzonitrile: Hölljes, Wagner, J. Org. Chem. 9, 31 (1944). Anthelmintic in sheep: Forsyth, Aust. Vet. J. 38, 398 (1962).
Properties: Needles from benzene, plates from water, mp 291°. Sol in methanol, abs ethanol. Sparingly sol in water, benzene, chloroform.
Melting point: mp 291°
Derivative Type: Hydrochloride
Molecular Formula: C13H10N2.HCl
Molecular Weight: 230.69
Percent Composition: C 67.68%, H 4.81%, N 12.14%, Cl 15.37%
Properties: Needles from alcohol, dec 328°. Freely sol in water.
Therap-Cat-Vet: Has been used as an anthelmintic.

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