CAS number： 23282-55-5
Molecular formula： C10H8ClN4NaO2S
molecular weight： 306.7039
Chemical structure：
| Product Name | sulfachlorpyridazine sodium | |
| Shelf Life | 4 years | |
| Item | Specification | Result |
| Appearance | White or yellowish powder | yellowish powder |
| Identification | ||
| 1.TLC | Correspond | Correspond |
| 2.IR-spectrum | Correspond | |
| 3.Aromatic primary amine ID reaction | Correspond | |
| Alkalinity | 7.2-9.2 | 8.9 |
| Clarification of solution | Clarification | Clarification |
| Related substances | Single max impurity 0.3% max | Correspond |
| Total impurities 1.0% max | ||
| Water | 5.0% max | 3.5% |
| Arsenic | 0.002% max | Correspond |
| Assay (The anhydrous substance) | 99.0% min | 99.8% |
| Conclusion | The product conforms to the CPV2010. | |
