Title: 4,4¢-Diaminodiphenylamine
CAS Registry Number: 537-65-5
CAS Name: N-(4-Aminophenyl)-1,4-benzenediamine
Additional Names: p-p¢-diaminodiphenylamine
Molecular Formula: C12H13N3
Molecular Weight: 199.25
Percent Composition: C 72.34%, H 6.58%, N 21.09%
Literature References: Prepn from p-phenylenediamine and aniline hydrochloride: Nietzki, Ber. 16, 474 (1883); from p-aminoazobenzene: Barbier, Sisley, Bull. Soc. Chim. Fr. [3] 33, 1232 (1905); by reducing bis(p-nitrophenyl)nitroxide with tin chloride and hydrochloric acid: Wieland, Roth, Ber. 53, 213, 226 (1920).
Properties: Leaflets from water, mp 158°. Oxidized to bromanil and bromonitromethane by bromine and concd nitric acid.
Melting point: mp 158°
Use: Dyeing fur: DE 367690; DE 371231; manuf dyes. In the detection of hydrogen cyanide.

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