L-Histidine HCl

    DESCRIPTION

    AppearanceWhite crystal or crystalline powder

    SPECIFICATIONS

    Assay99.0 to 101.0%
    IdentificationPositive
    Chloride (Cl)16.66 to 17.08%
    Sulphate (SO4)Max 0.020 %
    Ammonium (NH4)Max 0.02 %
    pH3.5 to 4.5
    Heavy metals
    (as Pb)
    Max 10 ppm
    Arsenic
    (As2O3)
    Max 1 ppm
    Loss on dryingMax 0.20 %
    Specific Rotation [°]D20+8.9 to +9.5°
    State of SolutionClear & Colourless; Max 98.0%
    Residue on ignitionMax 0.10 %
    Other Amino AcidsConforms
    Iron (Fe)Max 10 ppm


    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 19 April 2011 (543)

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