IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-phenylazanium;chloride Synonyms: Basic blue 26, Victoria blue B, 2580-56-5, Calcozine Blue B, Tertrophene Blue, Victoria Pure Blue B, Hecto Blue B, Aizen Victoria Blue B Base, Victoria blue, C.I. BASIC BLUE 26, Hekto Blue B, Victoria Blue BA, Victoria Blue BN, Victoria Blue BP, Victoria Blue BS, Victoria Blue BX, Victoria Blue FB, Symulex Blue BOF, ADC Victoria Blue B, Victoria Lake Blue B