

| CAS NO | 1533-45-5 |
| Molecular formula | C28H18N2O2 |
| Molecular weight | 414 |
| C.I.NO | 393 |
| Performance | Appearance: bright yellow cystal powder |
| Melting point: 357-360℃ | |
| Purity: ≥98.50% | |
| Minimum ultraviolet absorption wavelength: 374nm | |
| Maximum ultraviolet absorption wavelength: 434nm |









