| Cas No. | 482-89-3 |
| Colour Index | Vat Blue 1 |
| Appearance | Dark blue,Powder,Granular |
| Colour light | Similar as the standard sample |
| Content | ≥93.0%,94.0% |
| Moisture content | ≤1.0% |
| Strength | Equal to 100 percent of the standard sample |
| PH Range | 9.5-10.5 |
| Content of ferric ions | ≤200PPM |
| Properties | It is insoluble in water and alcohol.It is soluble in hot Aniline |
