What is Potassium Manganate? Potassium Manganate is an organic salt consisting of potassium and manganese. It is a mineral, which is used to make chemicals. It is also used in the Cement, Pigments, Soaps, and the production of glass. Potassium Manganate is a white powder. Potassium Manganate, also known as KMnO4 , is a chemical…