maleic hydrazide

chemical compound

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June 30, 2026

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Maleic hydrazide is a crystalline cyclic hydrazide with the chemical formula C₄H₄N₂O₂. It is used to slow plant growth. It was first used in 1949.1

Maleic acid is an unsaturated organic dibasic acid used in making polyesters and other chemical products. Maleic anhydride is a related compound, a caustic crystalline cyclic anhydride (C₄H₂O₃) used in making resins. Maleic acid and its anhydride are produced by the catalytic oxidation of benzene.23

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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