Additional information
| Color Index Name (CI) | Direct Red 81 |
|---|---|
| Solubility | 40 g/l |
| Lightfastness | 4 |
| IIA Washfastnes Unfixed | 1-2 |
| IIA Washfastnes fixed | 1-2 |
| Crocking - Wet | 3-4 |
| Crocking - Dry | 5 |
| Acid Perspiration | 3 |
| Max Affinity (Deg F) | 140 |
| SDC Classification | A |
| Hi-Temperature Stable | Poor |
| SC to Artificial Light | Yel/Br |
| SC Aftertreatment | 4-5 Yel |
| Discharge Neutral | 5 |
| Discharge Alkaline | 5 |
