| Name | 4,5-DIAZAFLUORENE-9-ONE |
| Synonyms | DAFO Dafo K0467 AKOS BBS-00000188 4,5-DIAZAFLUOREN-9-O 4,5-Diazafluoren-9-one 4,5-DIAZAFLUORENE-9-ONE |
| CAS | 50890-67-0 |
| InChI | InChI=1/C11H6N2O/c14-11-7-3-1-5-12-9(7)10-8(11)4-2-6-13-10/h1-6H |
| InChIKey | PFMTUGNLBQSHQC-UHFFFAOYSA-N |
| Molecular Formula | C11H6N2O |
| Molar Mass | 182.18 |
| Density | 1.387±0.06 g/cm3(Predicted) |
| Melting Point | 214-217 °C (lit.) |
| Boling Point | 396.3±17.0 °C(Predicted) |
| Flash Point | 196.1°C |
| Solubility | Soluble in dichloromethane, tetrahydrofuran, chloroform, benzene, toluene and polar organic solvents. Insoluble in diethyl ether and alkanes. |
| Vapor Presure | 1.72E-06mmHg at 25°C |
| Appearance | powder to crystal |
| Color | Light yellow to Yellow to Orange |
| Maximum wavelength(λmax) | ['340nm(H2O)(lit.)'] |
| pKa | 1.22±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.688 |
| MDL | MFCD00046892 |
| Hazard Symbols | Xi - Irritant![]() |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| HS Code | 29333990 |
| use | 4, 5-diazrofluorene-9-one and its metal complexes have inhibitory effects on human cancer cells. It can be used as a general reagent and photoelectric material intermediate. |