Synonyms: 2,7-Naphthalenedisulfonicacid, 4-amino-5-hydroxy-3-[(3-nitrophenyl)azo]-6-(phenylazo)-, disodium salt(9CI); 2,7-Naphthalenedisulfonic acid,4-amino-5-hydroxy-3-[(m-nitrophenyl)azo]-6-(phenylazo)-, 2,7-disodium salt(8CI); Acid Blue 29; Amacid Navy Blue B; C.I. 20460; C.I. Acid Blue 29; C.I.Acid Blue 73; C.I. Mordant Blue 82; Cetil Black M; Fabracid Navy S-BL; MordantBlue 82