| Product Name | Direct Blue 15 | 
|---|---|
| Chinese alias | 直接湖蓝 5B、直接天蓝5B | 
| CAS | 2429-74-5 | 
| Formula | C34H24N6Na4O16S4 | 
| MW | 992.8 | 
| Appearance | Deep purple to dark blue microcrystalline powder | 
| MDL | MFCD00036441 | 
| Storage condition | storage at -4℃ (1-2weeks), longer storage period at -20℃ (1-2years) |