tetrasodium 6-amino-4-hydroxy-3-[[7-sulphonato-4-[(4-sulphonatophenyl)azo]-1-naphthyl]azo]naphthalene-2,7-disulphonate; Black 7984; CI FOOD BLACK 2; CI 27755; BLACK NO.2; BLACK7984; 6-Amino-4-hydroxy-3-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphtyl]azo]-2,7-naphthalenedisulfonic acid tetrasodium salt
