Vitamins >> Vitamins

Product Name: THIAMINE HYDROCHLORIDE

Specification:BP2015/USP38

Test ItemSpecification
AppearanceWhite or almost white crystalline powder or colourless crystals
identification1)should be positive reaction
2)Consistent with reference IR spectra
Appearance of solutionClear ,not more intense than Y7
PH2.7~3.3
SulphatesNMT300ppm
Limit of nitrateNo brown ring
Heavy metalsNMT20ppm
WaterNMT5.0%
Residue on ignitionNMT0.1%
Absorbance of solutionNMT0.025
Residual Solvents  
Methanol NMT0.3%
EthanolNMT0.5%
Related substances(Disregard limit 0.05%)  
Any impurityNMT0.4%
Total impuritiesNMT1.0%
Assay98.5~101.0%

 

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