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      Vitamin B1 Hcl (Thiamine Hcl)

      CAS number: 67-03-8

      Molecular formula:

      molecular weight:

      Chemical structure:

      Details

      Name of Product Vitamin B1 Hcl/Thiamine Hydrochloride
      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

      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
      Water NMT 5.0% 2.1%
      Residue on igonition NMT 0.1% 0.04%
      Absorbance of solution NMT 0.025 0.025
      Residual Solvents

      Methanol NMT 0.3% <0.3%
      Ethanol
      NMT 0.5% <0.5%
      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.