Complaint
| 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% |
