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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 |