The molecule is an iminium salt composed of 4-([4-(dimethylamino)phenyl]{4-[methyl(phenyl)amino]naphthalen-1-yl}methylidene)-N,N-dimethylcyclohexa-2,5-dien-1-iminium and chloride ions in a 1:1 ratio. It binds to nucleic acids and can be used in standardised staining techniques suitable for automated cell-pattern recognition. It has a role as a histological dye and a fluorochrome. It is an organic chloride salt and an iminium salt. It contains a victoria blue 4R(1+).
[4-[bis[4-(dimethylamino)phenyl]methylidene]naphthalen-1-ylidene]-methyl-phenylazanium;chloride