| Molecular Formula | C10H9NO2 |
| Molar Mass | 175.18 |
| Density | 1.326 |
| Melting Point | 269-271 °C (lit.) |
| Boling Point | 306.47°C (rough estimate) |
| pKa | 4.50±1.00(Predicted) |
| Storage Condition | 2-8℃ |
| Refractive Index | 1.5060 (estimate) |
| MDL | MFCD00024052 |
| 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. S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| RTECS | FG7350000 |
| EPA chemical information | 2(1H)-Quinolinone, 4-hydroxy-1-methyl- (1677-46-9) |
| Hazard Note | Irritant |