| Product Name | 3(2H)-Pyridazinone |
| CAS No. | 504-30-3 |
| Synonyms | Pyridazin-3(2H)-one; 2,3-dihydropyridazin-3-one |
| InChI | InChI=1/C4H4N2O/c7-4-2-1-3-5-6-4/h1-3H,(H,6,7) |
| Molecular Formula | C4H4N2O |
| Molecular Weight | 96.09 |
| Melting point | 98-104℃ |
| Hazard Symbols |  Xi:Irritant; |
| Risk Codes | R36/37/38:; |
| Safety | S26:; S36/37:; |
504-30-3 3(2h)-pyridazinone
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