Cream of Tartar, also known as potassium bitartrate, is a fine, white powder with acidic properties. It has various applications. Cream of Tartar is commonly used as a component in cleaning products, such as brass and copper cleaners, as well as in the production of bath bombs and playdough. Cream of tartar , E336, is use in food industries as Anticaking agent, Antimicrobial agent, Leavening agent, Control agent for pH, Stabilizer and thickener.