Synonyms:
3-hydroxy-4-[(1-hydroxy-2-naphthyl)azo]-7-nitronaphthalene-1-sulphonic acid ; acidchromeblackt ; mordantblank2b ; 3-hydroxy-4-[(1-hydroxy-2-naphthalenyl)azo]-7-nitro-1-naphthalenesulfonic aci ; 3-hydroxy-4-[(1-hydroxynaphthalen-2-yl)azo]-7-nitro-1-naphthalenesulfonic acid ; c.i.mordantblack11 ; c.i. mordant black 11, free acid ; 2-hydroxy-1-(1-hydroxy-2-naphthylazo)-6-nitro-4-naphthalenesulfonic acid
