| Item | Specifications | Results | 
| Appearance | Colorless transparent viscous | Colorless transparent viscous | 
| Purity | ≥99.0% | 99.83% | 
| PH | 10.0-12.0 | 10.48 | 
| Water content | ≤0.1% | 0.090% | 
| Solubility | Mix with water in any proportion | Conforms | 
