Black BD
C.I. 30024
Tolan Black B
Acid Black 241
Coriamin Black FS
C.I. Acid Black 241
C.I.Acid Black 241:C.I.30024
5-Amino-3-[4-(2,4-diaminophenylazo)phenylazo]-4-hydroxy-6-(4-nitrophenylazo)-2,7-naphthalenedisulfonic acid disodium salt
4-Nitrobenzenamine diazo, in acid conditions coupled with 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid, N-(4-aminophenyl)acetamide?diazo, in alkaline conditions and the above the products of coupling, hydrolysis acetyl groups, again diazo,and Benzene-1,3-diamine coupled .
