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| Product Name: | pyridazine |
| CAS Registry Number: | 289-80-5 |
| EINECS: | 206-025-5 |
| Synonyms: | Orthodiazine; pyridazin; CHEBI:30954; EINECS 206-025-5; 289-80-5; o-Diazine; NSC 90792; 1,2-Diazabenzene;pyridazine; 1,2-Diazine; |
| Molecular Structure: |
 |
| Molecular Formula: | C4H4N2 |
| Molecular Weight: | 80.08796 |
| Density: | 1.103 |
| Boiling Point: | 208 ºC |
| Melting Point: | -8 ºC |
| Flash Point: | 85 ºC |
| Refractive index: | 1.5225-1.5245 |
| Risk Codes: | S23;S24/25 |
| Safety Statements: | Moderately toxic by intraperitoneal route. When heated to decomposition it emits toxic vapors of NOx. |