Product Details

D-AMINO ACID > DL-Methionine

    DL-Methionine

    CAS NO:59-51-8

    Chemical Name  DL-Methionine
     Molecular Structure  
    Molecular Formula  C5H11NO2S
    Molecular Weight  149.21
     Characteristics  White crystalling powder
     Packing  25/drum25/carton
     Quality  Standard  AJI92/USP28/EP5/FCCIV
    Specification    
     State of solution  ≥98.0%
    Chloride(CI)    ≤0.020%
    Ammonium(NH4)   ≤0.02%
     Sulfate(SO4)  
     Heavy metals(Pb)  ≤10PPm
    Iron(Fe) ≤10PPm
     Arsenic(As2O3)  ≤1PPm
    Other amino acids Chromatographically not detectable
     Residue on ignition  ≤0.10%
     Loss on drying  ≤0.30%  
    Assay   99.0100.5%
     PH  5.66.1