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  • Ascorbic Acid
    CAS No: 299-36-5
    Chemical Formula: C₆H₈O

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    Specification

    Item

    Description

    Appearance

    White or Light Yellow White Crystal Powder

    Identification

    Positive

    Assay

    99.0% Min

    Specific Optical Rotation

    +20.5°+21.5°

    Heavy Metal(AS PER Pb)

    10 mg/kg Max

    Copper

    5 mg/kg Max

    Iron

    2 mg/kg Max

    Lead

    2 mg/kg Max

    As Element

    3 mg/kg Max

    Sulphated Ash

    0.1% Max

    pH (5%)

    2.2-2.5

    Melting point

    189-192

    Loss on drying

    0.1% Max

    Color of solution

    BY7 Max

    Clarity of solution

    Clear

    Application

    Ascorbic acid is common additive added to various foods, such as canned fruits, mostly to retard oxidation and enzymatic browning. It may be used as a flour treatment agent used in breadmaking.

    Packing

    25KG net in Carton box, and customer’s marking bags.

    Handling and Storage

    Store in a cool and dry place, away from moisture, heat. Protect the materials from the sun or rain during transportation.