Sodium potassium tartrate, with CAS No. 6381-59-5, is a high-purity laboratory-grade industrial chemical. Its chemical formula is KNaC4H4O6, and it appears as a white crystalline powder. Commonly used as a buffering agent, it stabilizes pH in various chemical reactions. This compound is also employed in the food industry as a food additive and in pharmaceutical formulations. Processing methods include crystallization from aqueous solutions. Sodium potassium tartrate is packaged in moisture-proof containers to maintain stability. It is utilized in industries such as food, pharmaceuticals, and analytical chemistry, making it essential for numerous laboratory applications.