CAS number: 68-35-9
Molecular formula: C10H10N4O2S
molecular weight: 250.277
Chemical structure:
Name of Product: | Sulfadiazine/Sulphadiazine | |
Shelf Life: | 3 years | |
Specification: | BP2007 | |
Test Items | Specification | Results of Analysis |
Description | White, yellowish-white or pinkish-white, crystalline powder or crystals, it melts at about 255℃, with decomposition | Conforms |
identification | A. The infrared absorption spectrum concordant with the spectrum of sulfadiazine CRS. | Meets test A |
B. The principal spot in TLC chromatogram obtained in position and size corresponds with sulfadiazine CRS. | Meets test B | |
Heavy metals | ≤20ppm(Pb) | <20PPM |
Acidity | ≤0.2ml (0.1mol/LNaOH) | <0.2ml |
Color of Solution | ≤Y5BY5GY5 | <Y5 |
Related Substances | Single impurity≤0.5% | <0.5% |
Loss on Drying | ≤0.5% | 0.12% |
Suphated ash | ≤0.1% | 0.06% |
Assay | 99.0% to 101.0% (on the dried basis) | 99.62% |