Short Description:
Phenylbutazone
CAS Number: 50-33-9 (4297-92-1)
Molecular Formula: C19H20N2O2
Standard: USP32/EP6
Package: 25kg/drum
Description:
Phenylbutazone
CAS Number: 50-33-9 (4297-92-1)
Molecular Formula: C19H20N2O2
Standard: USP32/EP6
Package: 25kg/drum
| ITEMS | LIMIT |
| Characters | White or almost white crystalline powder |
| Identification | B. UV |
| C. IR | |
| D. chemical test | |
| Melting point | 104~107°C |
| Appearance of solution | The solution is clear |
| Acidity or alkalinity | ≤1.0ml NaOH/g, |
| ≤1.2ml HCl/g | |
| Absorbance | 420nm, ≤0.20 |
| Related substances | ≤0.5% |
| Heavy metals | ≤0.002% |
| Loss on drying | ≤0.2% |
| Sulphated ash | ≤0.1% |
| Residual solvents | Methanol≤0.3% |
| Ethanol≤0.5% | |
| Assay | 99.0%~101.0% (on dried basis) |
