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产品详情
Product Description
| Product name | Salicylic acid |
| Cas number | 69-72-7 |
| Molecular formula | C7H6O3 |
| Molecular weight | 138.12 |
| Appearance | White to almost white crystalline powder |
| Assay | 99.0%-100.5% |
| Melting point | 158℃-161℃ |
| Chlorides | ≤100ppm |
| Sulfates | ≤200ppm |
| Heavy metals | ≤20ppm |
| Loss on drying | ≤0.5% |
| Residue on ignition | ≤0.05% |
| 4-hydroxybenzoic acid | ≤0.1% |
| 4-hydroxyisophthalic acid | ≤0.05% |
| Phenol | ≤0.02% |
| Any other impurities | ≤0.05% |
| Total impurities | ≤0.2% |
Company Information
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