Pyridazine
From Wikipedia, the free encyclopedia
| Pyridazine | |
|---|---|
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| IUPAC name | Pyridazine |
| Other names | 1,2-diazine, orthodiazine, oizine |
| Identifiers | |
| CAS number | [289-80-5] |
| RTECS number | GY2390000 |
| SMILES | C1=CN=NC=C1 |
| Properties | |
| Molecular formula | C4H4N2 |
| Molar mass | 80.09 g mol-1 |
| Appearance | colorless liquid |
| Density | 1.107 g/cm3 |
| Melting point |
-8°C |
| Boiling point |
208°C |
| Related compounds | |
| Related compounds | pyridine, pyrimidine, pyrazine |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
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Pyridazine is a heteroaromatic organic compound with the molecular formula C4H4N2, sometimes called 1,2-diazine. It contains a six-membered ring with two adjacent nitrogen atoms. It is a colorless liquid with a boiling point of 208 °C.
Pyridazine has no household use. It is mainly used in research and industry as building block for more complex compounds. The pyridazine structure is found within a number of herbicides such as credazine, pyridafol and pyridate. It is also found within the structure of several pharmaceutical drugs such as cefozopran, cadralazine, minaprine, hydralazine, and cilazapril.
