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Product
    Allantoin
      Chemical name
      (2,5-dioxo-4-imidazolidinyl)-urea
      English name   Allantoin
      INCI name
      Allantoin
    Chemical constituents   
      CAS NO
      97-59-6
      CTFA name   
      Molecular formula   C4H6N4O3
      Molecular weight   158.12
      Quality index   

    content (%) ≥98.0 

    loss on drying(%) ≤1.0 

    ignition residue(%) ≤0.1 

    heavy metal(in Pb) ≤10ppm

    PH: 4-6

    melting point: 225-232℃
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