| ITEM | STANDARDS | ||
| Melting range | 88℃ - 92℃ | ||
| Loss on drying | 1.0% Max | ||
| Chloride | Conformed | ||
| Heavy metals | 0.001% Max | ||
| Residue on ignition | 0.1% Max | ||
| Reaction | Conformed | ||
| Ordinary impurities | Conformed | ||
| Readily carbonizable substances | Conformed | ||
| Residual solvents | Ethanol: 5000PPM Max | ||
| Acidity | Conformed |