Potassium citrate (also known as tripotassium citrate) is a potassium salt of citric acid. It is a white, hygroscopic crystalline powder. It is odorless with a saline taste. It contains 38.3% potassium by mass.

Application

Tripotassium citrate is used in foods, beverages, and technical applications as buffering, sequestering or emulsifying agent. It usually replaces trisodium citrate whenever a low sodium content is desired. In pharmaceuticals it is used as potassium source and as active ingredient to treat urinary duct stones.