Potassium permanganate, KMnO4, is composed of dark purple, odorless crystals with a blue metallic sheen. It is soluble in water, decomposes at 465F(240C), and is powerful oxidizers materials. Potassium permanganate is a dangerous fire and explosion risk in contact with organic materials. Potassium permanganate is incompatible with sulfuric acid, glycerin, and ethylene glycol. The four-digit UN identification number is 1490. The primary uses of Potassium permanganate are as oxidizers, bleach, or dye; during radioactive decontamination of the skin; and in the manufacture of organic chemicals