Name:Vitamin B1 HCl
CAS:67-03-8
MF:C12H17ClN4OS.HCl
The detailed specifications are as below:
| Analysisitems | Specification | Result | |
| Items | BP2013 | USP36 | Colorlessclearliquid |
| Appearance | Whiteoralmostwhite, crystallinepowderor colorlesscrystals | Whiteoralmostwhite, Crystallinepowderor Colorlesscrystals | Almostwhite crystallinepowder |
| Identification | IR,CharacteristicReaction andTestofchlorides | IRandTestofchlorides | Conform |
| Assay,% | 98.5～101.0% | 98.0～102.0% | 99.7% |
| pH | 2.7-3.3 | 2.7-3.4 | 3.0 |
| Absorbanceofsolution | ———- | ≦0.025 | 0.013 |
| Solubility | FreelySolubleinWater,SolubleinGlycerol, SlightlySolubleinAlcohol | ———- | FreelySolublein Water,Solublein Glycerol,SlightlySolubleinAlcohol |
| Appearanceofsolution | ClearandnotmorethanY7 | ———- | ClearandnotmorethanY7 |
| Sulphates,ppm | ≦300ppm | ———- | <300ppm |
| Limitofnitrate | ———- | Nobrownring isproduced | Nobrownringis produced |
| Heavymetals,ppm | ≦20ppm | ———- | <20ppm |
| Analysisitems | Specification | Result | ||
| Items | BP2013 | USP36 | Colorlessclearliquid | |
| Related substances | Any Impurity,% | ≦0.4% | ———- | 0.1% |
| Total,% | ≦1.0% | ———- | 0.2% | |
| Water,% | ≦5.0% | ≦5.0% | 3.6% | |
| Sulphatedash/ Residueon ignition,% | ≦0.1% | ≦0.2% | 0.04% | |
| Chromatographicpurity,% | ———- | ≦1.0% | 0.1% | |
| Conclusion | ThisbatchofVitaminB1HClmeetstherequirementsofBP2013/USP36 | |||