| CAS No. | 117-78-2 |
| Molecular Formula | C15H8O4 |
| Molecular weight | 252.22 |
| Structure | ![]() |
| EINECS | - |
| Appearance | Grayish white powder |
| Purity | ≥99% |
| Moisture | ≤0.5% |
| Melting point | 290-292°C |
| Uses | used as dye intermediate |
| Packing | 25kg fibre drum lined with plastic bags |