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Salicylic acid
Molecular formula: C7H6O3
Appearance: light-colored crystalline powder.
| Purity ≥ | 99.0% |
| Melting point(°C) | 158.5-160.5 |
| Clarity test | Pass |
| Residue on ignition (count by SO4) % ≤ | 0.01 |
| Chloride(Cl)% ≤ | 0.002 |
| Sulfate (SO4)% ≤ | 0.005 |
| Heavy metal(count by Pb)% ≤ | 0.0005 |
| Vitriol test % ≤ | Pass |
| Fe % ≤ | 0.0002 |



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