Synonyms: 5H-Benzo[a]phenoxazin-9-amine,5-imino-N,N,10-trimethyl-, monohydrochloride; 5H-Benzo[a]phenoxazine,9-(dimethylamino)-5-imino-10-methyl-, monohydrochloride (8CI);Benzo[a]phenoxazin-7-ium, 5-amino-9-(dimethylamino)-10-methyl-, chloride (9CI);Cresyl violet (6CI); Cresole Violet