| CAS No.: | 69-72-7 |
|---|---|
| Formula: | C7h6o3 |
| EINECS: | 200-712-3 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Cosmetic Grade |
| Customization: |
|---|
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Salicylic acid is a fat-soluble organic acid. It is a is white crystal or crystalline powder. It has no odor and
is slightly sweet and then hot. It has no change in the air. It can be sublimated at atmospheric pressure above
76 °C.
It is easily decarboxylated by atmospheric pressure to form phe nol and carbon dioxide. The aqueous solution is
acidic and reacts with FeCl3 in purple. This product is slightly soluble in water, soluble in boiling water, soluble in
ethanol or ether, slightly soluble in chloro form.
| Item | Standard |
| Appearance | white or colorless crystalline powder |
| Appearance of solution | clear and colorless |
| 4-hydroxybenzoic acid | ≤0.1% |
| 4-hydroxyisophthalic acid | ≤0.05% |
| Phe nol | ≤0.02% |
| Other impurities | ≤0.03% |
| Chloride | ≤100ppm |
| Sulfate | ≤200ppm |
| Heavy metals | ≤20ppm |
| Loss on drying | ≤0.5% |
| Sulphated ash | ≤0.1% |
| Assay to dried substance | C7H6O3 99.0%-100.5% |
| Storage | in the shade |
| Packing | 25 kg/bag |
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