| Customization: | Available |
|---|---|
| CAS No.: | 5104-49-4 |
| Formula: | C15h13fo2 |
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| Item | Limit |
| Characters | This product is white or almost white crystalline powder. |
| Solubility | This product is soluble in methanol, ethanol, acetone, acetonitrile or ether, and almost insoluble in water |
| Melting point | 114~117ºC |
| Optical rotation | -0.1°~+0.1° |
| Identification | The solution should no longer be evenly applied to the pipe wall, as similar oil stains exist on the pipe wall |
| This product has maximum absorption at a wavelength of 247nm | |
| The infrared absorption spectrum of this product should be consistent with the reference spectrum (spectrum set 1169 figure) | |
| Chloride | Not more than 0.002% |
| Related substance | Impurities A : not more than 0.5% |
| Impurities B: not more than 0.2% | |
| Impurities C: not more than 0.1% | |
| Impurities D: not more than 0.1% | |
| Impurities E: not more than 0.1% | |
| Impurities J: not more than 0.1% | |
| Other individual impurities shall not exceed 0.1% | |
| The total amount of impurities shall not exceed 0.7% | |
| Residual solvent |
The residual amount of methanol shall not exceed 0.3% |
| The residual amount of ethanol shall not exceed 0.5% | |
| The residual amount of isopropanol shall not exceed 0.5% | |
| The residual amount of n-heptane shall not exceed 0.5% | |
| The residual amount of n-hexane shall not exceed 0.029% | |
| The residual amount of tetrahydrofuran shall not exceed 0.072% | |
| The residual amount of toluene shall not exceed 0.089% | |
| Benzene residue | Not more than 0.0002% |
| Loss on drying | Not more than 0.10% |
| Residue on ignition | Not more than 0.1% |
| Heavy metals | Not exceeding 10 parts per million |
| Microbial limit | The total number of aerobic bacteria shall not exceed 103 cfu/g |
| The total number of mold and yeast shall not exceed 102cfu/g | |
| Neither Staphylococcus aureus nor Pseudomonas aeruginosa should be detected | |
| Assay | 99.0%~101.0% |
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