| Product name: | Sulfamethoxypyridazin | |
| Expiry Date: | Four years | |
| Inspection Standard: | EP7 | |
| Items | Specifications | Results |
| Identification: |
A. The infiareda bsorptions pectrum; B. The thin-layer chronalography; C. Residuem eltsa t 102″Ct o 106″C D. The reactiono fprimary aromatica mines. |
Meets Meets 103～104℃ Meets |
| Melting Point | about 180℃ with decomposjlion | 181.2～182℃ , decomposition |
| Characteristics | White or slightly yellowish, crystalline powder | Meets |
| Appearance of solution | Clear & not more intensely coloured than Y4 or BY4 | ＜BY4 |
| Acidity | ≤0.5ml | ＜0.5ml |
| Related substances | Meets ( ≤0.5%) | Meets, ＜0.5% |
| Heavy Metals | ≤20 ppm | ＜20 ppm |
| Loss on drying | Not more than 0.5% | 0.1% |
| Sulphated ash | Not more than 0.1% | 0.05% |
| Assay | 99.0%～101.0%(The dried substance) | 99.9%(The dried substance) |
| Conclusion : Meets EP7 specifications | ||