Synonyms: | 2,7-Naphthalenedisulfonicacid,4-amino-6-[[4-[(2,4-diaminophenyl)azo]phenyl]azo]-5-hydroxy-3-[(4-nitrophenyl)azo]-,disodium salt (9CI);5-Amino-3-[4-(2,4-diaminophenylazo)phenylazo]-4-hydroxy-6-(4-nitrophenylazo)-2,7-naphthalenedisulfonicacid disodium salt; Acid Black 241; C.I. 30024; C.I. Acid Black 241; CoriaminBlack FS; Tolan Black B |