China Thiamine Hydrochloride Feed Food Additives Vitamin B1 HCl Mono Vb1, Find details about China Vitamin B1 HCl, Thiamine Hydrochloride from Thiamine Hydrochloride Feed Food Additives Vitamin B1 HCl Mono Vb1
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% |