| Product Name | Piperazin-2-one |
| CAS No. | 5625-67-2 |
| Synonyms | Piperazine-2-one; 3-oxopiperazin-1-ium; 2-Oxopiperazine; 2-piperazone |
| InChI | InChI=1/C4H8N2O/c7-4-3-5-1-2-6-4/h5H,1-3H2,(H,6,7)/p+1 |
| Molecular Formula | C4H9N2O |
| Molecular Weight | 101.1265 |
| Melting point | 136-140℃ |
| Boiling point | 307.1°C at 760 mmHg |
| Flash point | 166.3°C |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R36/37/38:; R43:; |
| Safety | S26:; S36/37:; |
5625-67-2 piperazin-2-one
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