pyridazine

chemical compound

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July 13, 2026

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Pyridazine is a liquid, feeble heterocyclic base with the molecular formula C₄H₄N₂. It is also known as 1,2-diazine or ortho-diazine. Pyridazine belongs to a class of organic compounds called heterocyclic compounds, which have a ring structure containing atoms of both carbon and nitrogen.123

While the simplest member of the pyrazine family is pyrazine itself, pyridazine is a distinct compound with two nitrogen atoms in adjacent positions within its four-carbon ring structure. Pyridazine and its derivatives are used as chemical raw materials.214

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heterocyclic compound
Five- and six-membered rings with two or more heteroatoms
The pyridazine derivative maleic hydrazide is a herbicide, and some pyrazines occur naturally—the antibiotic aspergillic acid, for example. The structures of the aforementioned compounds are:
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The pyridazine derivative maleic hydrazide is a herbicide, and some pyrazines occur naturally—the antibiotic aspergillic acid, for example. The structures of the aforementioned compounds are:
Read More