CAS number： 144-74-1
Molecular formula： C9H8N3NaO2S2
molecular weight： 277.2985
Chemical structure：
| Product name: | Sulfathiazole sodium | |
| Expiry Date: | Four years | |
| Inspection Standard: | NF11 | |
| Items | Specifications | Results |
| Characterstics | White or yellowish white powder or crystalline | White crystalline powder |
| Identification | A:The infrared absorption spectrum | Meets A,B and C examine. |
| B:The reaction of primary aromatic amines | ||
| C: The tests of sodium | ||
| Alkalinity | PH=9.0～10.0 | 9.8 |
| Heavy metals | ≤20ppm | ＜20ppm |
| Related substances | Meets, (≤0.5%） | Meets,(＜0.5%） |
| Loss on drying | 6.0～10.0% | 7.7% |
| Assay | 99.0～101.0% | 99.32% |
| (The dried substance) | ||
| Conclusion : The above mentioned product conforms to NF11 | ||
