China GMP Manufacture High Quality Econazole Nitrate CAS 68797-31-9, Find details about China Econazole Nitrate, Econazole Nitrate Powder from GMP Manufacture High Quality Econazole Nitrate CAS 68797-31-9
TEST ITEM | SPECIFICATION | RESULTS |
Characteristics | White or almost white crystalline powder | white crystalline powder |
Identification |
C. An intense blue color develops |
C. An intense blue color develops |
Solubility | Very slightly soluble in water, soluble in methanol, sparingly soluble in methylene chloride, slightly soluble in alcohol. | Very slightly soluble in water,soluble in methanol, sparingly soluble in methylene chloride, slightly soluble in alcohol. |
Melting point | About 165 °C, with decomposition | 165-166.8°C |
Related substances | impurity A: 0.2%max | 0.04% |
impurity B:0.2%max | 0.06% | |
impurity C:0.2%max | 0.04% | |
Total: 0.3%max | 0.14% | |
disregard limit:0.05%max | 0.05%max | |
Loss on drying | Not more than 0.5% ≤0.5% | 0.05% |
Chromatographic purity | Not more than 2.0% ≤2.0% | 2.0%max |
Sulphated ash | Not more than 0.1% ≤0.1% | 0.02% |
Residual solvents | Meet the requirements | Meet the requirements |
Assay | 98.5%-101.0% | 100.1% |