DIRECT BLACK 9

DIRECT BLACK 9

8003-62-1

C₃₂H₂₅ N₉ O₇ S₂ . 2 Na

direct black l-n ; disodium 3-[[4-[[4-amino-6(or 7)-sulphonatonaphthyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxynaphthalene-2-sulphonate ; atul direct black fr ; direct black ff ; 3-[[4-[[4-amino-6(or7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-2-naphthalenesulfonic aci disodium salt ; direct black 9 (c.i. 31565 ; 2-naphthalenesulfonicacid, 3-[2-[4-[2-[4-amino-6(or7)-sulfo-1-naphthalenyl]diazenyl]phenyl]diazenyl]-6-[2-(2,4-diaminophenyl)diazenyl]-4-hydroxy-,sodium salt (1:2) ; c.i. direct black 9 ; dinamine fast black fr ; 2-naphthalenesulfonicacid, 3-[[4-[[4-amino-6(or7)-sulfo-1-naphthalenyl]azo]phenyl]azo]-6-[(2,4-diaminophenyl)azo]-4-hydroxy-,disodium salt (9ci) ; dycosdirect black ff.