Lithium permanganate (LiMnO₄) is an inorganic chemical compound, specifically the lithium salt of permanganic acid. It is a powerful oxidizing agent, similar to potassium permanganate but with higher solubility in organic solvents, which can be advantageous in certain synthetic applications. It typically appears as a dark purple crystalline solid. Its primary application is as a strong and versatile oxidizing agent in organic synthesis and laboratory research. It is used for the oxidation of various functional groups, including alcohols to carbonyl compounds and alkenes to diols or carbonyl derivatives. In the field of materials science, lithium permanganate has been investigated as a precursor or an additive for the synthesis of lithium manganese oxide cathode materials (e.g., LiMn₂O₄) used in lithium-ion batteries. It serves as a source of both lithium and manganese. Handling requires caution due to its strong oxidizing nature. It can decompose upon heating and may react violently with combustible materials. Appropriate personal protective equipment and safe laboratory practices are essential when working with this compound.