| 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 |