CAS number： 63-74-1
Molecular formula： C6H8N2O2S
molecular weight： 172.2
Chemical structure：
| Product name: | Sulphanilamide | |
| Expiry Date: | Four years | |
| Inspection Standard: | BPC68 | |
| Items | Specifications | Results |
| Description | White crystalline granule or powder | Conforms |
| Identification | Pass IR positive reaction | Positive reaction |
| Heavy metals | ≤10PPM(Pb) | ＜10PPM |
| Melting point | 164.5-166.5℃ | 165.0-165.5℃ |
| Acidity | Neutrality | Conforms |
| Clarity of solution | Clarity | Clarity |
| Related substances | ≤0.5% | ＜0.5% |
| Chloride | ≤140PPM | ＜100PPM |
| Loss on drying | ≤0.5% | 0.1% |
| Residue on ignition | ≤0.1% | 0.06% |
| Iron | ≤40PPM | ＜40PPM |
| Assay | ≥99.0% | 99.78% |
| Conclusion : The above-mentioned product conforms to BPC68 | ||
