Folic Acid

    DESCRIPTION

    AppearanceYellow or orange crystalline powder

    SPECIFICATIONS

    Assay97.0 to 102.0%
    IdentificationSpecific optical rotation is about +20. It exhibits three maxima at 256, 283, and 365nm.
    The A at 256nm is about 590, at 283nm is about 575, at 365nm is about 206.
    A256:A365 is 2.8 - 3.0
    Ultraviolet absorption
    (B)
    It exhibits three maximum at 256,283 and 365nm.
    The A at 256nm is about 590, at 283nm is about 575, at 365nm is about 206.
    Thin-Layer Chromatography
    (C.)
    The principal spot in the chromatogram obtained with solution sample is similar in position, fluorescence and size to that in the chromatogram obtain with solution Folic Acid R S.
    Organic Volatile ImpuritiesMeets the requirements
    Chromatographic purityMeets the requirements
    Loss on drying5.0 to 8.5%
    Specific Rotation [°]D20
    (A)
    It exhibits three maxima at 256, 283 and 365nm
    The A at 256nm is about 590, at 283nm is about 575, at 365nm is about 206.
    Residue on ignitionMax 0.2 %
    Free AminesA2:A1 Max 1/6
    Shelf lifeThree years


    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 Thu 26 August 2010 (113)

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