Synonyms: Benzenesulfonamide,2-chloro-5-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]-, chromium complex (9CI);Acetamide,N-[8-[[4-(aminosulfonyl)-5-chloro-2-hydroxyphenyl]azo]-7-hydroxy-1-naphthalenyl]-,chromium complex (9CI); Polfalan Navy Blue BL;Chromium,N-[8-[[4-(aminosulfonyl)-5-chloro-2-hydroxyphenyl]azo]-7-hydroxy-1-naphthalenyl]acetamide2-chloro-5-hydroxy-4-[(2-hydroxy-1-naphthalenyl)azo]benzenesulfonamide complex(9CI);C.I. Acid Blue 328(9CI); Acid Blue 328;
