PRODUCT Properties
| Melting point: | >300 °C | 
                                    
| InChIKey | NTOOJLUHUFUGQI-UHFFFAOYSA-M | 
                                    
| SMILES | C12C(=O)C3=C(C=CC=C3)C(=O)C1=C(N)C(S([O-])(=O)=O)=CC=2NC1=CC=C(NC(=O)C)C=C1.[Na+] | 
                                    
| CAS DataBase Reference | 6424-85-7(CAS DataBase Reference) | 
                                    
| EPA Substance Registry System | C.I. Acid Blue 40 (6424-85-7) | 
                                    
Description and Uses
Acid Blue 40 is an anthraquinone dye.
Safety
| Symbol(GHS) | ![]() GHS05  | 
                                    
| Signal word | Danger | 
| Hazard statements | H318 | 
| Precautionary statements | P280-P305+P351+P338-P310 | 






