The molecule is a hydrochloride obtained by combining Hoffman's violet free base with one molar equivalent of hydrogen chloride. A specific stain for animal chromosomes. It has a role as a fluorochrome and a histological dye.
N-ethyl-4-[[4-(ethylamino)phenyl]-(4-ethylimino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]aniline;hydrochloride