PRODUCT Properties
| Melting point: | 194-196°C |
| Boiling point: | 621.1±55.0 °C(Predicted) |
| Density | 1.211±0.06 g/cm3(Predicted) |
| pka | 11.13±0.29(Predicted) |
| EPA Substance Registry System | 1,1,4,4-Tetraphenyl-2-butyne-1,4-diol (1483-74-5) |
Safety
| Symbol(GHS) |   GHS07,GHS05 |
| Signal word | Danger |
| Hazard statements | H318-H335-H315 |
| Precautionary statements | P280-P305+P351+P338-P310-P264-P280-P302+P352-P321-P332+P313-P362 |
| Safety Statements | 22-24/25 |
