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    Potassium Diacetate

    Potassium Diacetate is a key ingredient in food preservation and flavor enhancement.


    Chemical name: Potassium Diacetate; Potassium ethanoate

    CAS Number:4251-29-0

    EINECS Number:224-580-1

    Molecular formula: C4H7KO4

    Molecular weight:150.21

    Product Standard: GB/EP/USP/FCC


    Net weight 25kg, outer bag is a woven bag or kraft paper bag, inner is lined with polyethylene plastic bag.

    Storage Condition: Store in a cool, dry place, and keep the container tightly closed.

    Shelf life: 2 years.

    Buying Guide:

    Potassium Diacetate

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

    Product Overview

    Potassium diacetate (E261), also known as potassium acetate salt, is an inorganic compound composed of potassium cation and two acetate anions. It is a white, odorless powder or flake with a mild acidic taste. Potassium diacetate has a density of 1.567 g/cm3. The crystalline particles present a monoclinic structure. Potassium diacetate is highly water soluble up to 650 g/L at 20°C. It dissolves rapidly in water, alcohol, and glycerin to form a clear, colorless acidic solution.


    Appearance White crystals
    Assay Potassium Acetate 61.0-64.0%mass
    Titratable acidity 36.0-38.09m7a5s
    Water s1.0%mass
    xidisable substances 01%mass(as formic acid)
    eavy meta s(as pb) s10ppm
    Arsenic(As) s3ppm
    ead(pb) s2ppm
    Mercury(Hg) s1ppm
    PH(109solution) 4.5-5.0
    The main application of Potassium Diacetate
    • As a food preservative, potassium diacetate inhibits the growth of mold, yeast, and bacteria, thereby extending the shelf life of baked goods, dressings, juices, and processed fruits and vegetables.
    • In animal nutrition, potassium diacetate is used as an antifungal agent in livestock feed and pet food.
    • Potassium diacetate is used as a tanning agent in leather processing to produce soft, resilient, and durable leather goods.
    • As a stabilizer and dissolver, potassium diacetate aids in the manufacturing process of textiles and fibers such as rayon and cellophane. It directly dissolves cellulose pulp while adjusting viscosity and improving quality.

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