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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