Potassium manganate (K₂MnO₄) is an inorganic compound primarily used as an intermediate in the production of potassium permanganate. It acts as a strong oxidizing agent in alkaline conditions, employed in organic synthesis for the oxidation of alcohols to carbonyl compounds and the oxidative cleavage of alkenes. In analytical chemistry, it is utilized in specific redox titrations to quantify reducing agents. Due to its tendency to disproportionate in acidic media, applications are limited to basic environments. Additionally, potassium manganate finds niche use in environmental remediation as an oxidant for degrading organic pollutants in soil and water.