The molecule is an imine that is 2-methyl-4-methylidenecyclohexa-2,5-dien-1-imine in which both the hydrogens of the methylidene group are replaced by 4-amino-3-methylphenyl groups. The hydrochloride salt is the histological dye 'new fuchsin'. It has a role as a fluorochrome and a histological dye. It is an imine and a substituted aniline. It is a conjugate base of a new fuchsin(1+).
4-[(4-amino-3-methylphenyl)-(4-imino-3-methylcyclohexa-2,5-dien-1-ylidene)methyl]-2-methylaniline