CAS number: 127-58-2
Molecular formula: C11H11N4NaO2S
molecular weight: 286.2854
Chemical structure:
Product name: | Sulphamerazine sodium | |
Expiry Date: | Three years | |
Inspection Standard: | USP15 | |
Analysis content | Specifications | Analysis Results |
Identification | A: Precipitate of acidification, responds to Identification tests under Sulfamerazine. | Meets A、B examine |
B: The tests of Sodium | ||
Characteristics | White or faintly yellowish white crystalline powder or crystals. | Meets |
Solubility | Clear, not more coloured than BY4 | Meets |
Alkalinity | PH=10.0-11.0 | PH=10.3 |
Heavy metals | ≤20ppm | <20ppm |
Loss on drying | ≤2.5% | 1.9% |
Assay(%) | 99.0%----101.0%(The dried substance) | 99.6%(The dried substance) |
Conclusion : Meets USP15 specification |