| White crystalline powder | 99.0% |
| Item | Specification | Results |
| Appearance | White crystal | White crystal |
| Assay (%) | ≥99.0 | 99.32 |
| Melting Point(°C) | 108-115 | 108-112.8 |
| Water(%) | ≤0.3 | 0.2 |
| Ash(%) | ≤0.03 | 0.023 |
| Residue Formaldehyde (%) | ≤0.03 | 0.021 |
| Acid Value(mgKOH/g) | 370-375 | 372 |
| Hydroxyl Value(mgKOH/g) | 728-782 | 732 |
| Fe3+ (PPM) | ≤5 | 4 |
| Na+(PPM) | ≤150 | 138 |
| K+(PPM) | ≤10 | 6 |
| PO43-(PPM) | ≤10 | 8 |
| SiO2(PPM) | ≤1 | 1 |
| SO42-(PPM) | ≤10 | 8 |
| Acetone-Et3N Solube Experiment | Transparent | |
| Conclusion | Qualified | |
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