Similar names: 1,7-Naphthalenedisulfonic acid, 4-(acetylamino)-5-hydroxy-6-[[7-sulfo-4-[(4-sulfophenyl)azo]-1-naphthalenyl]azo]-, tetrasodium salt (9CI); Brilliant Black BN (6CI); C.I. Food Black 1 (7CI); C.I. Food Black 1, tetrasodium salt (8CI); 1743 Black; Black PN; Blue Black BN; Brilliant Acid Black BN Extra Pure A; Brilliant Acid Black BNA Export; Brilliant Black 1; Brilliant Black 80; Brilliant Black A; Brilliant Black N; Brilliant Black NAF; Brilliant Black NFQ; Brilliant Black PN; C.I. 28440; Certicol Black PNW; Cilefa Black B; E 151; Edicol Supra Black BN; Food Black 1; Hexacol Black PN; L Black 8000; Melan Black; Tetrasodium 2-[4-(p-sulfophenylazo)-7-sulfo-1-naphthylazo]-8-acetamido-1-naphthol-3,5-disulfonate; Xylene Black F