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      Vitamin B1 Mono (Thiamine Mononitrate)

      CAS number: 532-43-4

      Molecular formula:

      molecular weight:

      Chemical structure:

      Details

      Name of Product
      Vitamin B1 Mono/Thiamine Monohydrate
      Shelf Life
      3 years
      Test Items
      Specification
      Results of Analysis
      Appearance
      white or almost white crystalline powder or colourless crystals White cyrstalline powder
      Identification
      (1) should be positive reaction (1) positive reaction

      (2) Consistent with the reference IR spectra

      (2) Consistent with the 

      reference IR spectra

      Ph 6.8-7.5 7.1
      Appearance of solution clear, not more intense than Y7 clear, not more intense than Y7
      Sulphates
      NMT300ppm <300ppm
      Limit of nitrate
      No brown ring No brown ring
      Heavy Metals
      NMT 20ppm <20ppm
      Chloride
      NMT 600ppm <300ppm
      Loss on drying
      NMT 1.0% 0.3%
      Residue on igonition NMT 0.1% 0.04%
      Residual Solvents

      Methanol NMT 1.0% <0.21%
      Ethanol
      NMT 1.5% <0.33%

      Related substances (Disregard 

      limit 0.05%)



      Any impurity
      NMT 0.4% 0.07%
      Total Impurities NMT 1.0% 0.17%
      Conclusion This batch comlies with the specification of BP2015/USP38