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L-Cysteine

  • Description

    White Crystalline powder, easily soluble in water but insoluble in alcohol and ether

    Molecular Formula:C3H7NO2S

    Molecular Mass: 121.15 g/mol

    CAS: 52-90-4

  • Specifications

    Specification meets or exceed the current FCC, AJI spec

    ITEM AJI FCC
    Identification Meets the requirements  
    Specific Optical Rotation + 8.3 ° ~ + 9.5 °  
    State of Solution ≥95%  
    Chloride ≤0.04%  
    Ammonium ≤0.02%  
    Sulfate ≤0.030%  
    Iron ≤10ppm  
    Heavy Metals ≤10ppm  
    Arsenic ≤ 1ppm  
    Loss on Drying ≤0.5%  
    Residue on Ignition ≤0.1%  
    Assay 98.0% ~ 101.0%  
    pH 4.5 ~ 5.5  

  • Packaging and Storage

    In 25kgs fiber drum double polyethylene bags inside. Preserve in well-closed containers at controlled room temperature

    Shelf Life : 1 year