| Synonyms |
C.I. Acid Black 52; Acid black 52; Acid Black 52; C.I. 15711; sodium 3-hydroxy-4-(2-hydroxy-1-naphthylazo)-7-nitronaphthalene-1-sulphonate; Acid Black 52 (15711); 4-[(2-hydroxynaphthalen-1-yl)hydrazono]-7-nitro-3-oxo-3,4-dihydronaphthalene-1-sulfonate; 1-naphthalenesulfonic acid, 3,4-dihydro-4-[2-(2-hydroxy-1-naphthalenyl)hydrazinylidene]-7-nitro-3-oxo-, chromium sodium salt, (4E)- (3:2:2); 3-hydroxy-4-[(2-hydroxy-1-naphthyl)azo]-7-nitro-naphthalene-1-sulfonic acid |