| Item | Standard | |
| Appearance | a white or yellowish crystalline powder | |
| Solubility | Slightly solube in water,in acetone,in alcohol and in methylene,chloride |
|
| Identification c),a),b) | c) infrared a) Melting point 159-163°C b) Specific absorbance 365-395 |
|
| Loss on drying | 0.5% MAX | |
| Residue on ignition | 0.1% MAX | |
| Heavy Metal | 20PPM MAX | |
| Particle size | 40-80 MESH | |
| Residual solvents | Ethylene oxide (LOD 0.15ppm) Formic acid (LOD 124ppm) |
|
| Appearance of solution | SUSPENSION Ⅱ AND SOLUTION GY6 |
|
| Related substances | Impurity | 0.1%MAX |
| Total impurity | 0.2%MAX | |
| Disregard limited | 0.01% MAX | |
| Assay | 99.0%-101.0% C6H9N3O3 | |
| Conclusion: comply with the requirement of BP2010 standard. | ||
