| TESTING ITEMS | SPECIFICATIONS | RESULTS |
| Appearance | White crystalline powder | Conforms |
| Identification | Qualified | Conforms |
| Clarity of solution | Lower than standard turbidity solution II | Conforms |
| Salcicylic Acid | ≤0.115% | <0.115% |
| Related substances | ≤0.125% | <0.125% |
| Sodium salt | ≤0.10% | 0.02% |
| Moisture | ≤0.10% | 0.03% |
| Heavy metals | ≤0.001% | <0.001% |
| Assay | 99.0%~101.0% | 99.80% |
| Conclusion: The Product Conforms to EP. |
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