50-65-7 Niclosamide 2,5-dichloro-4-nitrosalicylanilide
Chemical Name: Niclosamide
CAS No.: 50-65-7
Molecular Fomula:C13H8Cl2N2O4
Chemical Structure:
Molecular weight: 327.12
Appearance: White or light yellow Crystalline Powder
Assay:99.0 %min
Appearance |
Yellowish fine crystals |
Yellowish fine crystals |
Assay |
98%-101% |
99.29% |
Identity |
Positive |
Positive |
5-chlorosalicyclic acid |
≤60 ppm |
Conforms |
2-chloro-4-nitroaniline |
≤100 ppm |
Conforms |
Chlorides |
≤500 ppm |
Conforms |
Related substances |
≤0.2% |
Conforms |
Melting point |
227℃-232℃ |
229℃-229.6℃ |
Sulphated ash |
≤0.1% |
0.05% |
Loss on drying |
≤0.5% |
0.23% |
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