Potassium Hydroxide 45%, also known as Caustic Potash Liquid, is a 45% solution that is an inorganic compound with the formula KOH. Potassium Hydroxide is a strong base and is used in various manufacturing and laboratory processes. As an industrial commodity, potassium hydroxide is often used in the manufacturing of soft soaps that have greater solubility than soaps derived from sodium hydroxide. Other industries that utilize Potassium Hydroxide are aviation, fertilizers, batteries, cosmetics and pharmaceuticals.