Similar names: C.I. Acid Blue 3 (7CI); C.I. Acid Blue 3, calcium salt (2:1) (8CI); Ethanaminium, N-[4-[[4-(diethylamino)phenyl](5-hydroxy-2,4-disulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-N-ethyl-, hydroxide, inner salt, calcium salt (2:1); Patent Blue V (6CI); Acid Blue 3; Acidal Carmine V; Ariavit Patent Blue V; Blue ZN 3; C.I. 42051; C.I. Food Blue 5; Carmine Blue V; Cogilor Blue 517.11; Dai-ei Acid Pure Blue VX; E 131; E 131 Patent Blue; Food Blue 5; Merantine Blue V; Mitsui Acid Pure Blue VX; New Patent Blue A-CE Extra; New Patent Blue Extra Pure A; Patent Blue; Patent Blue V Calcium Salt; Patent Blue V Calcium Salt 36017; Patent Blue V Calcium Salt 90146; Patent Blue V Carmine Blue V; Patent Blue V Sodium Salt 36001; Sicovit Patent Blue 85E131; Solar Pure Blue VX; Vitasyn Patent Blue V 50; Vitasyn Patent Blue V 85