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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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