Payment: T/T, L/C Product Origin: China Shipping Port: Beijing/Shanghai/Hangzhou Order (MOQ): 1kg Lead Time: 3 working days Production capacity: 20kg/month Storage condition: Stored in cool, dry place, room temperature. Package material: bottle Package size: 1kg/bottle Safety information: Not dangerous goods| Item | Specification |
| Appearance | White or almost white, hygroscopic powder |
| Identification | IR spectrum of sample corresponds to that of reference substance |
| The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the Assay | |
| Water | ≤7.0% |
| Residue on ignition | ≤0.1% |
| Heavy metals | ≤20ppm |
| Related substance | |
| Impurity A | ≤2.0% |
| Impurity B | ≤2.0% |
| Impurity C | ≤1.5% |
| Impurity D | ≤1.5% |
| Any other individual impurity | ≤1.0% |
| Total impurities | ≤4.0% |
| Disregard limit | 0.2% |
| Assay (anhydrous and solvent-free basis) | 96.0%~102.0% |
| Residual solvents | |
| Methanol | ≤3000ppm |
| Acetone | ≤5000ppm |
| Toluene | ≤890ppm |
| Methylene chloride | ≤600ppm |
| Dioxane | ≤380ppm |