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    Putrescine Dihydrochloride
    Product name: Putrescine Dihydrochloride
    Molecular formula: C4H12N2·2HCL
    CAS NO.: 333-93-7
    Package: 25kg/drum
    Batch No.: P20060521
    CERTIFICATE OF ANALYSIS
    Items Specification Results
    Appearance White needles crystalline Pass
    Assay(Cl)% ≥98.5% 99.7%
    Solubility(1.0g in 50ml H2O) Clear Pass
    Loss on drying % ≤0.5% 0.2%
    Residue on ignition% ≤0.2 0.18
    Sulfate(SO4)% ≤0.020% 0.010%
    Arsenic(AS2O3)ppm ≤10 Pass
    Heavy metals(Pb)ppm ≤10 Pass
    Storage & Shelf life 2 years in original sealed container, cool, dry place.
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