Sodium Ascorbate DC


    AppearanceWhite or yellowish white fine granular powder
    CharacteristicThis is a sodium ascorbate preparation consisting of approximately 99% sodium ascorbate and 1% corn starch. It is intended for use in pharmaceutical tablets and nutritional supplements produced by direct compression.


    (of C6H7NaO6 on the dried basis - iodine titration)
    98.5 to 99.5%
    TasteA slight salty taste
    OdourOdourless or almost odourless
    IdentificationPositive for sodium ascorbate
    Particle sizemin 95% through US standard sieve No.20 (850μm)
    Max 35% through US standard sieve No.100 (150μm)
    Heavy metals
    (as Pb)
    Max 10 ppm
    (as As)
    Max 3 ppm
    Loss on dryingNot more than 0.15% (3g, 105°C, 3hr)
    StorageStore in tightly closed containers avoiding moisture and light
    Packaging20kg, 25kg, 50kg
    Shelf life18 months


    Total plate countMax 500 cfu/g
    YeastsMax 100 cfu/g
    MouldsMax 100 cfu/g
    Staphylococcus aureusAbsent in 25g
    SalmonellaAbsent in 25g
    Escherichia ColiAbsent in 1g

    Direct Food Ingredients will ensure that any material supplied this specification will confirm to the above physical and chemical properties. However, we have no control over the use of the material and can accept no responsibility for problems caused by the customer's failure to ensure the material supplied is suitable for the intended use.

    This specification has been last modified on Tue 18 October 2011 (739)

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