C.I. 43830; C.I. Mordant Blue 1 (VAN); C.I. Mordant Blue 1, disodium salt (8CI); Chromazurol B; Chromeazurol B; Mordant Blue 1; Mordant Blue 1 (43830); Chrome pure blue BX; Acid Chrome Pure Blue B; C.I.Mordant Blue 1; 5-[(E)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoic acid; disodium 5-[(E)-(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoate