PRODUCT Properties
| storage temp. | Refrigerator | 
                                    
| solubility | DMSO (Slightly, Sonicated), Methanol (Slightly, Sonicated) | 
                                    
| form | Powder | 
                                    
| Colour Index | 34140 | 
                                    
| color | Black | 
                                    
| λmax | 594 nm | 
                                    
| ε(extinction coefficient) | ≥15000  at 283-289nm in water  at 0.01g/L ≥30000 at 582-588nm in water at 0.01g/L  | 
                                    
| CAS DataBase Reference | 4399-55-7(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | C.I. Direct Blue 71 (4399-55-7) | 
                                    
Description and Uses
Direct blue 71 (CAS# 4399-55-7) is an organic triazo dye and a water-soluble pollutant. The decolourization of aqueous solutions of direct blue 71 has been achieved using a variety of methods, such as the use of Au-Nx-TiO2 nanospheres to achieve its photocatalytic degradation. Dyes and metabolites.
Safety
| Safety Statements | 24/25 | 
| WGK Germany | 3 | 
| HS Code | 32041400 | 





