| Product Name | Direct Yellow 44 | 
|---|---|
| Chinese alias | 直接黄 44、天狼黄 | 
| CAS | 8005-52-5 | 
| Formula | C27H20N6Na2O8S | 
| MW | 634.528 | 
| Appearance | Orange to Brown to Dark red powder to crystal | 
| MDL | MFCD00059960 | 
| Storage condition | storage at -4℃ (1-2weeks), longer storage period at -20℃ |