Payment: T/T, L/C Product Origin: China Shipping Port: Beijing/Shanghai/Hangzhou Production capacity: 1200kg/month Order(MOQ): 25kg Lead Time: 3 Working Days Storage condition: Stored in cool, dry place, room temperature. Package material: drum Package size: 25kg/drum Safety information: Not dangerous goods| Item | Specification |
| Appearance | White or almost white crystalline powder |
| Identification | Infrared absorption spectrophotometry |
| Solubility | Free soluble in water and in glacial acetic acid, practically insoluble in acetone and 96% alcohol |
| Clarity and color | Solution should clarify and colorless |
| PH | 7.0~8.0 |
| Related substances liquid chromatography | Impurity A ≤0.1% |
| Impurity B ≤0.15% | |
| Impurity C ≤0.05% | |
| Impurity D ≤0.05% | |
| Impurity E ≤0.05% | |
| Impurity F ≤0.05% | |
| Unspecified impurities, for each impurity ≤0.05% | |
| Loss on drying | ≤0.5% |
| Sulphated ash | ≤0.1% |
| Heavy metals | ≤10ppm |
| Chlorides | ≤140ppm |
| Assay (Dried substance) | 99.0%~101.0% |