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              Xanthine

              Name: Xanthine
              Alias: 2,6-Dihydroxypurine ;2,6-Dioxopurine 、2,6-Dioxo-1,2,3,6-tetrahydropurine
              Molecular formula: C5H4N4O2
              Molecular weight: 152.111
              Structural formula:

              CAS number: 69-89-6
              Melting point: 300 ℃
              Boiling point: 834.9 ℃
              Density: 1.6g /cm3
              Appearance: White to off-white crystalline powder
              Flash point: 458.7 ° C
              Packing specification: 25 Kg/drum paper drum
               

              Characteristics

              Light yellow powder

              Loss on drying

              ≤1.00%

              Residue on ignition

              ≤0.30%

              Heavy metal(Pb)

              ≤10ppm

              Clarity

              Solution clarity

              Guanine

              ≤1.00%

              Purity (HPLC)

              ≥99.00%

              Assay

              ≥95.00%

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