Sodium acid pyrophosphate (SAPP)

White crystalline powder with low odor.

Sodium acid pyrophosphate, also known as SAPP, is a white crystalline powder widely used in various industries, including food and beverage, as a leavening agent, buffer, and chelating agent. It helps regulate pH, enhance texture, and improve shelf life of food products. Additionally, SAPP finds applications in water treatment, ceramics, and as a component in fire extinguishing formulations.

Energy Sector

Sodium acid pyrophosphate (SAPP) is a corrosion inhibitor and scale inhibitor in oil and gas drilling fluids. It prevents scale and corrosion on drilling equipment, improving operational efficiency. SAPP is also used as a stabilizer and buffering agent in drilling muds, controlling pH and maintaining fluid stability. It is crucial for maintaining drilling integrity and protecting equipment from corrosion and scale formation in the challenging conditions of the oil and gas industry.

Water Treatment

Sodium acid pyrophosphate (SAPP) is used in the water treatment industry as a sequestrant and buffering agent. It prevents scale formation and controls water hardness. SAPP chelates with metal ions, preventing scale on equipment and pipes, while stabilizing pH to prevent rapid changes that can damage pipes or equipment. SAPP is a versatile and effective ingredient in water treatment formulations, utilized for its sequestering and buffering properties.


Sodium acid pyrophosphate (SAPP) finds wide application in the food industry as a leavening agent, pH regulator, and emulsifier. It imparts light texture to baked goods as a leavening agent, enhances flavor and shelf stability by regulating acidity, and aids in ingredient mixing and preventing separation in processed foods as an emulsifier. Its diverse uses include baked goods, processed meats, dairy products, and more, making it a versatile ingredient in the food industry for various applications.

CAS No.: 7758-16-9


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