China High Quality Medicine Grade Metronidazole Powder CAS443-48-1, Find details about China Antibiotic Metronidazole, Metronidazole Powder from High Quality Medicine Grade Metronidazole Powder CAS443-48-1
Name of product: | Metronidazole | |
Expiry Date: | 4 years | |
ITEMS | STANDARDS | RESULTS |
Characteristics | a white or yellowish crystalline powder, slighting sobube in water, in acetone, in alcohol and in methylene, chloride, very slightly solube in ether | COMPLY |
Identification | a) Melting point 159-163ºC | 161.1-161.3ºC |
b) Specific absorbance 365-395 | b) 375 | |
c) IR | c) COMPLY | |
d) The solution gives the reaction of primary aromatic amines | d) COMPLY | |
Appearance of solution | SUSPENSION II | COMPLY |
AND SOLUTION GY6 | ||
Related substances | Impurity:0.1MAX | 0.02% |
Total impurity:0.2MAX | 0.06% | |
Heavy Metal | 20PPM MAX | <20PPM |
Loss on drying | 0.5% MAX | 0.19% |
Particle size | 40-80mesh | COMPLY |
Assay | 99.0%-101.0% | 99.4% |
Item | Standards | Result |
Identification | positive reaction | positive reaction |
Melting point | 159~163ºC | 160.5~160.9ºC |
Loss on drying | 0.5% MAX | 0.18% |
Sulphated ash | 0.1% MAX | 0.06% |
Heavy metal | 20PPM MAX | <20ppm |
Appearance of solution | pass | pass |
Related substances | pass | pass |
Specific absorbance | 365 ~389 | 378 |
Simple Impurities | 0.1% MAX | 0.03% |
Total Impurities | 0.2% MAX | 0.10% |
Assay | 99.0%~101.0% C6H9N3O3 | 99.85% C6H9N3O3 |