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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