| Product name: | Phenylbutazone |
| Molecular Formula: | C19H20N2O2 |
| Molecular Structure: |  |
| Molecular Weight: | 308.4 |
| CAS No.: | 50-33-9 |
Description
Phenylbutazone is a white or almost white, crystalline powder. It is practically insoluble in water, sparingly soluble in alcohol. It dissolves in alkaline solutions.
Application
Baotaisong has antipyretic, analgesic, anti-inflammatory and anti-rheumatic effects, mainly used for the treatment of rheumatic, rheumatoid arthritis and gout.
Specification
| Appearance | White or almost white, crystalline powder. |
| Melting range | 104°C to 107°C |
| Appearance of solution | Meets the requirements. |
| Acidity or alkalinity | Meets the requirements. |
| Absorbance (420 nm) | ≤ 0.20 |
| Benzidine | ≤ 5ppm |
| Chloride | ≤0.007% |
| Sulfate | ≤0.01% |
| Heavy metals | ≤ 20ppm |
| Loss on drying | ≤0.2% |
| Sulfated ash | ≤0.1% |
| Related substances: | |
| (2RS)-2-[(1,2-diphenyldiazanyl)carbonyl]hexanoic acid | ≤0.25% |
| 4-butyl-4-hydroxy-1,2-diphenylpyrazolidine-3,5-dione | ≤0.25% |
| 1,2-diphenylhydrazine | ≤0.2% |
| Any other impurity | ≤0.1% |
| Total impurities | ≤0.5% |
| Assay | 99.0%-101.0% |
Packing and Storage
Preserve in tight container.
Minimum Order
One package
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