| Index | Standard |
| Appearance | White Crystal |
| Content (%) | ≥99.0 |
| Water (%) | ≤0.3 |
| Melting Point (℃) | 108-117 |
| Ash (%) | ≤0.03 |
| Residue Formaldehyde (%) | ≤0.03 |
| Acid Value (mgKOH/g) | 374.7-378.2 |
| Hydroxyl Value (mgKOH/g) | 728-782 |
| Fe3+ (PPM) | ≤5 |
| Na+ (PPM) | ≤150 |
| SO4 2- (PPM) | ≤10 |
| Acetone-Et3N Soluble Experiment | Transparent |
