| Molecular Formula | C3H4ClN3O |
| Molar Mass | 133.54 |
| Density | 1.83±0.1 g/cm3(Predicted) |
| Melting Point | 199°C(lit.) |
| Boling Point | 426°C at 760 mmHg |
| Flash Point | 211.5°C |
| Solubility | soluble in Methanol |
| Vapor Presure | 7.35E-08mmHg at 25°C |
| Appearance | powder to crystal |
| Color | White to Almost white |
| pKa | 7.46±0.20(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.711 |
| UN IDs | UN 3261 8/PG II |
| Hazard Class | 8 |
| Packing Group | II |
| Uses | 5-chloromethyl-2, 4-dihydro-3-one is an intermediate for the synthesis of antiemetic drugs Arepitan hydrochloride and Fosapitan. Arepitan intermediate |
| application | 5-chloromethyl-2, 4-dihydro-3-one [1,2,4] triazol-3-one is an organic synthesis intermediate and pharmaceutical intermediate, which can be used in laboratory research and development synthesis process and chemical biological research and development process. |