| CAS No.: | 69-72-7 |
|---|---|
| Formula: | C7h6o3 |
| EINECS: | 200-712-3 |
| Type: | Pharmaceutical Intermediates |
| Appearance: | Powder |
| Quality: | Refined |
| Samples: |
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| Customization: |
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| Product Name | Salicylic Acid |
| CAS Registry No.: | 69-72-7 |
| EINECS No.: | 200-712-3 |
| Molecular Formula: | C7H6O3 |
| Molecular Weight: | 138.12 |
| Structural Formula: |
| TEST | SPECIFICATION |
| Appearance | White or almost white, crystalline powder or colorless crystals |
| Identification A, IR-Spectrum | Should be complied with Reference Spectrum |
| Identification B, Liquid chromatography | The retention time of the major peak of the Sample solution corresponds to that of the Standard solution |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤0.05% |
| Chloride | ≤0.014% |
| Sulfate | ≤0.02% |
| Heavy metals | ≤20ug/g |
| 4-hydroxybenzoic acid | ≤0.1% |
| 4-hydroxyisophthalic acid | ≤ 0.05% |
| Phenole | ≤ 0.02% |
| Other impurities | ≤ 0.05% |
| Total impurities | ≤ 0.2% |
| ASSAY(HPLC) Preservative | 98.0%-102.0% |
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