| Customization: | Available |
|---|---|
| CAS No.: | 67-03-8 |
| Formula: | C12h18cl2n4OS |
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| Product Name | Vitamin B1 Thiamine Hydrochloride | ||
| Batch Number | Y01201909054 | Quantity | 125kgs |
| Quality Standard | USP/BP | Packing | 25kg/package |
| Manufacture Date | Sep.10.2019 | Expiry Date | Sep.09.2022 |
| Item | Standard | Test Result |
| Appearance | White crystals or almost white crystalline powder | white crystalline 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,no more color than reference solution Y7 or GY7 | Clear,no more color than reference solution Y7 |
| PH | 2.7-3.3 | 3.0 |
| Sulphates | NMT 300ppm | <300ppm |
| Limit of nitrate | No brown ring is produced at the junction of the two layers | No brown ring is produced at the junction of the two layers |
| Lead | NMT 2ppm | <2ppm |
| Cadmium | NMT 1.0ppm | <1.0ppm |
| Mercury | NMT 0.1ppm | <0.1ppm |
| Arsenic | NMT 1.0ppm | <1.0ppm |
| Water | NMT 5.0% | 1.6% |
| Residue on ignition | NMT 0.1% | 0.07% |
| Absorbance of solution | NMT 0.025 | 0.018 |
| Residual Solvents | ||
| - Methanol | NMT 0.3% | <0.3% |
| - Ethanol | NMT 0.5% | <0.5% |
| Related substances | ||
| - Impurity A | NMT 0.15% | 0.03% |
| - Impurity B | NMT 0.3% | 0.00% |
| - Impurity C | NMT 0.15% | 0.02% |
| - Any impurity | NMT 0.1% | 0.02% |
| - Total impurities | NMT 0.5% | 0.1% |
| Chromatographic purity | NMT 1.0% | 0.1% |
| Assay | 98.5% ~ 1.0.0% | 99.8% |
| Microbials | ||
| - S. Aureus | Negative | Negative |
| - Salmonella | Negative | Negative |
| - E.Coli | Negative | Negative |
| - Total Plate Count | NMT 1000cfu/g | <1000cfu/g |
| - Yeast and Mold | NMT 100cfu/g | <100cfu/g |
| Conclusion | This batch complies with the specification of BP/USP | |
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