L-Cysteine HCl Monohydrate


    AppearanceWhite crystals or crystalline powder


    Assay99.0 to 100.5%
    IdentificationInfrared absorption spectrum
    Chloride (Cl)19.89 to 20.29%
    Sulphate (SO4)Max 0.020 %
    Ammonium (NH4)Max 0.02 %
    pH1.5 to 2.0
    Heavy metalsMax 10 ppm
    ArsenicMax 1 ppm
    Loss on drying8.5 to 12.0%
    Iron ContentMax 10 ppm
    Specific Rotation [°]D20+5.5 to +7.0
    State of SolutionMin 98.0 %
    Residue on ignitionMax 0.10 %
    Other Amino AcidsChromatographically not detectable
    StorageKepp container unopened in cool, dry place, prevent from sunlight

    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 10 May 2012 (1098)

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