PRODUCT Properties
| Melting point: | 174-176 °C (lit.) |
| Boiling point: | 178 °C(Press: 0.5 Torr) |
| Density | 1.1487 (rough estimate) |
| refractive index | 1.5500 (estimate) |
| pka | pK1:－1.44(＋1);pK2:10.21(0) (20°C) |
| form | Powder |
| color | Yellow to orange |
| Water Solubility | Soluble in water. (50 g/L at 20°C) |
| EPA Substance Registry System | 2(1H)-Quinolinethione (2637-37-8) |
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H315-H319-H335 |
| Precautionary statements | P261-P264-P271-P280-P302+P352-P305+P351+P338 |
| Hazard Codes | Xi |
| Risk Statements | 36/37/38 |
| Safety Statements | 26-37/39 |
| WGK Germany | 3 |
| RTECS | FG7360000 |
| TSCA | Yes |
