Customization: | Available |
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Transport Package: | Bags |
Specification: | 25kg |
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Item | Standard | Result | ||||
Characters | A white, or almost white, crystalline powder or white or colourless, acicular crystals, slightly soluble in water, freely soluble in ethanol (96 percent), sparingly soluble in methylene chloride | Complies | ||||
Indentification | A. Melting point 158ºC-161ºC | 158.5ºC-160.3ºC | ||||
B. The IR spectrum of samples complies with Salicylic acid CRS | Complies | |||||
Appearance of solution | Solution is clear and colourless | Clear | ||||
Chlorides | NMT100ppm | <100PPM | ||||
Sulfates | NMT200ppm | <200PPM | ||||
Heavy metals | NMT20ppm | <20PPM | ||||
Loss on drying | NMT0.5% | 0.02% | ||||
Residue on drying | NMT0.05% | 0.02% | ||||
Related substances | 4-hydroxybenzoic acid ≤0.1% | 0.004% | ||||
4-hydroxyisophthalic acid≤0.05% | 0.002% | |||||
Phenol≤0.02% | N.D. | |||||
Any other impurities≤0.05% | N.D. | |||||
Total impurities≤0.2% | 0.005% | |||||
Assay (on dried basis) | Contains C7H6O3 99.0%-100.5% | 99.60% | ||||
Conclusion | The Product Complies with the standard of BP2020/EP10.0/USP NF2021. |