CAS number: 50-33-9
Molecular formula: C19H20N2O2
molecular weight: 308.38
Chemical structure:
Product Name: | PHENYLBUTAZON | ||
Expiry Date: | 4 years | ||
Test | Specifications | Results | |
EP4 | USP31 | ||
Characters | A white or almost white,crystalline powder | COMPLIES | |
Identification | B.UV C.IR | A.IR B.UV | COMPLIES |
D.Chemical Test | |||
UV spectrum | A(1%,25px)Maxirnum(650-700)at 264nm | COMPLIES | |
IR absorption | Same bands the standard | COMPLIES | |
Melting range | 104~107℃ | 104℃-107℃ |
Solubility | Freely soluble in acetone,chloroform and Benzene,soluble in alcohol and aether, insoluble in water. | COMPLIES | |
Chemical reaction | Complies | COMPLIES | |
Appearance of solution | Clear | COMPLIES | |
Acidity or Alkalinity | COMPLIES | ||
Acidity | ≤0.5ml NaOH/g | COMPLIES | |
Alkalinity | ≤0.6ml HCl/g | COMPLIES | |
Absorbance | 420nm,≤0.20 | 0.085 | |
Related substances | ≤0.5% | COMPLIES | |
Heavy metals | ≤20ppm | ≤0.001% | COMPLIES |
Loss on drying | ≤0.2% | ≤0.5% | 0.05% |
Sulphated ash | ≤0.1% | 0.05% | |
Residue on ignition | ≤0.1% | 0.05% | |
Chloride | ≤0.007% | COMPLIES | |
Sulphate | ≤0.01% | COMPLIES | |
Residual solvents | Methanol≤0.3% | N.D | |
Ethanol≤0.5% | COMPLIES | ||
Organic volatile impurities | Complies | COMPLIES | |
Assay | 99.0~101.0% | 98.0~102.0% | 99.77% |
Storage | Store Protected From Light and Airtight-Not Exceeding 25℃ | ||
Conclusion | The product meets the requirements of EP4/USP31 |