| CHARACTERISTICS | WHITE OR YELLOWISH CRYSTALLINE POWDER | |
| SOLUBILITY | Slightly soluble in water, in acetone, in alcohol and in methylene, chloride | |
| IDENTIFICATION | Melting point 159~163℃ | |
| Specific absorbance 365~395 | ||
| Infrared | ||
| LOSS ON DRYING | ≤0.5% | |
| RESIDUE ON IGNITION | ≤0.1% | |
| HEAVY METALS | ≤20PPM | |
| APPEARANCE OF SOLUTION | Suspension II and Solution GY6 | |
| PARTICAL SIZE | 40-60 Mesh | |
| Residual solvents | Ethanediol≤620 PPM | |
| RELATED SUBSTANCES | Impurity | ≤0.1% |
| Total | ≤0.2% | |
| DIsregard limited | ≤0.1% | |
| ASSAY | 99.0~101% | |