| Items | Standard |
| Appearance | White crystal |
| Freezing point | 43℃ |
| Purity %(GC) | ≥99% |
| Ortho toluidine (GC) | ≤0.05% |
| Meta toluidine (GC) | ≤0.35% |
| Low boiler (GC) | ≤0.10% |
| High Boiler( GC) | ≤0.10% |
Dyestuff, medicine, pesticide intermediate
200kg/drum
Ventilation low temperature drying