Malachite green is an organic chloride salt that is the monochloride salt of malachite green cation. Used as a green-coloured dye, as a counter-stain in histology, and for its anti-fungal properties in aquaculture. It has a role as a fluorochrome, a histological dye, an antifungal drug, a carcinogenic agent, a teratogenic agent, an environmental contaminant and an antibacterial agent. It contains a malachite green cation.
