Title: Bis(4-amino-1-anthraquinonyl)amine
CAS Registry Number: 128-87-0
CAS Name: 1,1¢-Iminobis[4-amino-9,10-anthracenedione]
Additional Names: 4,4¢-diamino-1,1¢-dianthraquinonylamine; 4,4¢-diamino-1,1¢-anthrimide; 4,4¢-diamino-1,1¢-iminobisanthraquinone
Molecular Formula: C28H17N3O4
Molecular Weight: 459.45
Percent Composition: C 73.20%, H 3.73%, N 9.15%, O 13.93%
Literature References: Prepn: DE 255822 (1913); Frdl. 11, 615; Tinker, Stallmann, US 2420022 (1947), C.A. 41, 5730 (1947).
Properties: On heating with fuming sulfuric acid (30% SO3) at 100° yields a dark powder, sol in water or alc with bluish-black coloration, used as dyestuff for wool. On heating with molten potassium hydroxide at 190° and oxidizing the reaction product with sodium hypochlorite, an olive-green vat dye is obtained.
Use: In the textile industry; in the determination of boron: Beckett, Webster, Analyst 68, 306 (1943), C.A. 38, 38 (1944).

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