China Thiamine Mononitrate/Thiamine Hydrochloride Powder Vitamin B1 Mono, Find details about China Vitamin B1 HCl, Thiamine Hydrochloride from Thiamine Mononitrate/Thiamine Hydrochloride Powder Vitamin B1 Mono
Product Name | Vitamin B1 HCL |
BP2011 | |
Appearance | White or almost white, crystalline powder or colourless crystals |
Identification | A: IR absorption C: Reaction (a) of chlorides |
Appearance of solution | Clear, not more intense than Y7 or GY7 |
PH | 2.7~3.3 |
Water | ≤5.0% |
Sulphated ash | ≤0.1% |
Sulphates | ≤300ppm |
Heavy metals | ≤20ppm |
Related substances | Any impurity:≤0.4% Total impurities:≤1.0% |
Assay | 98.5%~101.0% |
USP34 | |
Identification | A: IR absorption; B: Tests of Chloride |
Absorbance of solution | ≤0.025% |
Limit of nitrate | No brown ring produced at the junction of the two layers |
PH | 2.7~3.4 |
Water | ≤5.0% |
Residue on ignition | ≤0.2% |
Chromatographic purity | ≤1.0% |
Residual solvent | Methanol: ≤0.3% Ethanol: ≤0.5% |
Assay | 98.0%~102.0% |