Potassium Permanganate

Potassium permanganate, KMnO4, is a purple crystalline compound with a metallic sheen. It is soluble in water, in acetone and in methanol, but it is decomposed by ethanol.

Potassium permanganate is prepared by fusing manganese dioxide with potassium hydroxide to form the potassium manganate and then electrolysing the manganate solution using iron electrodes at about 60 degC.

Potassium permanganate is widely used as a powerful oxidizing agent, as a disinfectant in a variety of applications, and as an analytical oxidant reagent in redox titrations.

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