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    Tetrapotassium Pyrophosphate

    Tetrapotassium Pyrophosphate (TKPP),improving quality and performance in foods and industrial applications.


    Chemical name: Tetrapotassium pyrophosphate;TKPP

    CAS Number: 7320-34-5

    EINECS Number:230-785-7

    Molecular formula: K4P2O74P2O

    Molecular weight:330.35

    Product Standard: GB/EP/USP/FCC


    25kg paper-plastic composite bag lined with PE film.

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

    Shelf life: 2 years.

    Buying Guide:

    Tetrapotassium pyrophosphate (TKPP)

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

    Product Overview

    Tetrapotassium pyrophosphate (TKPP) is an inorganic compound, a kind of potassium phosphate, a colorless crystal or white crystalline solid, soluble in water. Potassium pyrophosphate is a kind of potassium phosphate, and others include monopotassium pyrophosphate and tripotassium pyrophosphate. Potassium pyrophosphate is widely used in laboratories, fertilizer processing, and food industry.



    Food grade


    Electroplating grade Agricultural grade
    Potassium pyrophosphate

    %  ≥

    95.0 98.0 95.0
    Scorch reduction%  ≤ 0.5 1.0 1.0
    Water-insoluble %  ≤ 0.1 0.1 0.1
    Heavy metal(as Pb)%   ≤ 0.001 - 0.001
    Arsenic(As)%  ≤ 0.0003 0.0003 0.0003
    PH value 10.0-11.0 10.0-11.0 10.0-11.0
    Fluoride(as F)%  ≤ 0.001 - -
    Lead(Pb)%  ≤ 0.0002 0.0002 0.0002
    Complexation index  ≥ - 3.0 -
    Hull groove test

    (plating at Dk≥10A/dm2)

    - Qualified -
    P2O5 % - - 42.0
    The main application of Tetrapotassium Pyrophosphate
    • Tetrapotassium pyrophosphate in food processing chelates metal ions, reducing their impact and enhancing the color of food products.
    • Tetrapotassium pyrophosphate in seafood is utilized for preservation, moisture retention, and texture improvement.
    • Tetrapotassium pyrophosphate TKPP in dough preparation acts as an alkali agent, contributing to softer and more elastic baked goods.
    • Tetrapotassium pyrophosphate TKPP as a fertilizer additive in agriculture provides essential phosphorus and potassium elements to plants.
    • Tetrapotassium pyrophosphate TKPP in laboratory and industrial applications is used as a buffering agent to stabilize pH and prevent fluctuations in acid-base levels.

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