PRODUCT Properties
| Melting point: | 265 °C(Solv: N,N-dimethylformamide (68-12-2)) |
| Boiling point: | 424.9±40.0 °C(Predicted) |
| Density | 1.381±0.06 g/cm3(Predicted) |
| pka | 5.66±0.20(Predicted) |
Safety
| Symbol(GHS) | ![]() GHS07 |
| Signal word | Warning |
| Hazard statements | H302-H332-H312 |
| Precautionary statements | P261-P271-P304+P340-P312-P264-P270-P301+P312-P330-P501-P280-P302+P352-P312-P322-P363-P501 |




![4-Hydrazinyl-5,6,7,8-tetrahydrobenzo[4,5]thieno[2,3-d]pyrimidine](https://img.chemicalbook.com/CAS/GIF/40106-45-4.gif)