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• 14:01, 26 April 2026 MDerrick talk contribs created page Basic Green 4, CI 42000, Malachite Green, LC (Created page with "== Usage History == A synthetic organic dye that was named for the mineral because of its color hue. Malachite Green is an aniline based dyestuff (a triphenylmethane salt) made by Dobner and Fisher in 1877. Both the chloride and the oxalate salt are known by the same name. In a neutral aqueous solution, its green crystals give an absorption maximum at 616.9 nm. Malachite Green is used for the direct dying of silk, wool, jute, and leather|lea...")