Title: p-Diaminoazobenzene
CAS Registry Number: 538-41-0
CAS Name: 4,4¢-Azobisbenzenamine
Additional Names: 4,4¢-azodianiline; p-azoaniline; 4,4¢-diaminoazobenzene
Molecular Formula: C12H12N4
Molecular Weight: 212.25
Percent Composition: C 67.91%, H 5.70%, N 26.40%
Literature References: Prepn: Witt, Kopetschini, Ber. 45, 1136 (1912); Brode et al., J. Am. Chem. Soc. 77, 2762 (1955). Lab procedure starting with p-aminoacetanilide; Santurri et al., Org. Synth. 40, 18 (1960).
Properties: Golden-yellow needles, dec 238-241°. Absorption max (ethanol): 400 nm. Slightly soluble in water, benzene, petr ether; freely sol in alcohol.
Absorption maximum: Absorption max (ethanol): 400 nm |