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 |