| Name of Product |
Vitamin B1 Hcl/Thiamine Hydrochloride |
|
|
Shelf Life |
3 years |
|
|
Test Items |
Specification |
Results of Analysis |
|
Appearance |
white or almost white crystalline powder or colourless crystals |
White cyrstalline powder |
|
Identification |
(1) should be positive reaction |
(1) positive reaction |
|
|
(2) Consistent with the reference IR spectra |
(2) Consistent with the reference IR spectra |
| Appearance of solution | clear, not more intense than Y7 | clear, not more intense than Y7 |
|
Sulphates |
NMT300ppm | ＜300ppm |
|
Limit of nitrate |
No brown ring |
No brown ring |
| Heavy Metals |
NMT 20ppm |
＜20ppm |
| Water | NMT 5.0% | 2.1% |
| Residue on igonition | NMT 0.1% | 0.04% |
| Absorbance of solution | NMT 0.025 | 0.025 |
| Residual Solvents |
|
|
| Methanol | NMT 0.3% | ＜0.3% |
|
Ethanol |
NMT 0.5% | ＜0.5% |
|
Related substances (Disregard limit 0.05%) |
|
|
|
Any impurity |
NMT 0.4% | 0.07% |
|
Total Impurities |
NMT 1.0% | 0.17% |
|
Conclusion |
This batch comlies with the specification of BP2015/USP38. | |
