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    Sodium Acid Pyrophosphate

    Sodium acid pyrophosphate (SAPP): a key ingredient for leavening and stabilization in food products.


    Chemical name: Sodium acid pyrophosphate; acid sodium pyrophosphate; SAPP

    CAS Number:7758-16-9

    EINECS Number:231-835-0

    Molecular formula: Na2H2P2O7

    Molecular weight: 221.94

    Product Standard: FCC/EP/GB


    25kg net composite paper plastic bags or 3-ply kraft paper bags with PE liners.

    Storage Condition: Kept in a light-proof,well-closed, dry and cool place.

    Shelf life: 2 years.

    Buying Guide:

    Sodium Acid Pyrophosphate (SAPP) Buying Guide

    Mondstar offers a diverse range of chemical products and is your preferred supplier of food additives and ingredients, providing high-quality sodium acid pyrophosphate SAPP wholesale and export services. Learn about sodium acid pyrophosphate price, or for more information, you can directly contact [email protected] or call +86-17303712627.

    Product Overview

    Sodium acid pyrophosphate SAPP is an inorganic compound with sodium acid pyrophosphate chemical formula Na2H2P2O7. Also known as Disodium Dihydrogen Pyrophosphate, Sodium Dihydrogen Pyrophosphate, Sodium Pyrophosphate, or E 450a. Sodium acid pyrophosphate is odorless, white powder or granules. It is highly water-soluble and forms a clear solution. Sodium acid pyrophosphate pH of approximately 4.0-5.0. Sodium acid pyrophosphate is widely used in food processing, detergent manufacturing, metal treatment, water treatment and pharmaceutical industries.


    Item Unit Index
    Characters -- White crystal powder
    Content (as Na2H2P2O7) % 93.0-100.5
    Fluoride(F) % ≤0.005
    Insoluble Substances % ≤1.0
    PH Value -- --
    Heavy metals(Pb) % --
    Arsenic % ≤0.0003
    Lead(As Pb) % ≤2.0
    The main application of Sodium Acid Pyrophosphate
    • Sodium Acid Pyrophosphate in food processing is utilized as a leavening agent, emulsifier, chelating agent, buffer, stabilizer, and antioxidant, enhancing the quality of products like bread, meat, cheese, and beverages.
    • Sodium Acid Pyrophosphate SAPP in detergent formulations acts as a water softener, scale and corrosion inhibitor, and a chemical builder, improving laundry and cleaning detergents' effectiveness.
    • Sodium Acid Pyrophosphate SAPP in metal treatment is employed as a chelating and descaling agent, facilitating metal cleaning, oxide removal, and corrosion protection.
    • Sodium Acid Pyrophosphate SAPP in water treatment is used for water softening, scaling control, corrosion inhibition, and mineral sequestration in boilers and cooling towers.
    • Sodium Acid Pyrophosphate SAPP in ceramics processing functions as a dispersant, binder, and surface modifier.
    • Sodium Acid Pyrophosphate uses in cosmetics to control pH levels and as a chelating agent in products like shampoos.
    • Sodium Acid Pyrophosphate SAPP in biochemistry serves as a buffer, extractant, enzyme stabilizer, and laboratory reagent.

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