Bis(p-dimethylaminobenzylidene)benzidine
Structural Formula Vector Image
Title: Bis(p-dimethylaminobenzylidene)benzidine
CAS Registry Number: 6001-51-0
CAS Name: N,N¢-Bis[[4-(dimethylamino)phenyl]methylene][1,1¢-biphenyl]-4,4¢-diamine
Additional Names: 4,4¢-di(4-dimethylaminobenzylideneamino)biphenyl; bis(4-dimethylaminobenzylidene)-p,p¢-diaminodiphenyl; N,N¢-bis(p-dimethylaminobenzal)benzidine
Molecular Formula: C30H30N4
Molecular Weight: 446.59
Percent Composition: C 80.68%, H 6.77%, N 12.55%
Literature References: Prepn from hydrazobenzene and p-dimethylaminobenzaldehyde: Sachs, Whittaker, Ber. 35, 1435 (1902).
Properties: Yellow crystals from nitrobenzene; mp 318°. Reacts with solutions of the alkali tungstates to give a cinnabar-red precipitate.
Melting point: mp 318°
Use: Determination of tungsten: Hovorka, Collect. Czech. Chem. Commun. 10, 518 (1938), C.A. 33, 1624 (1939).

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