Tetrasodium pyrophosphate (TSPP) is được sản xuất bởi heating disodium phosphate at nhiệt độs above 400 degrees Celsius to drive off water and form the pyrophosphate bond. It is highly soluble in water and produces a strongly alkaline solution. TSPP được sử dụng rộng rãi in the food ngành công nghiệp as an emulsifying salt in processed cheese, a thickening agent in instant puddings, and a sequestrant in canned seafood and poultry.
It effectively disperses proteins and chelates calcium ions. This results in smooth kết cấu and improved melt đặc trưngs in cheese sản phẩm. TSPP also chức năngs as a pH buffer and chất lượng improver in various processed food ứng dụng.