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Cycluron is an obsolete urea herbicide. Data is limited. It is highly soluble in water and moderately volatile. It is moderately toxic to mammals if ingested.

Cycluron is a pesticide.

ChEBI: Cycluron is a member of ureas.

Cycluron is commercially synthesised through a reaction involving cyclooctylamine and dimethylcarbamoyl chloride. In this process, cyclooctylamine acts as the nucleophile, reacting with dimethylcarbamoyl chloride in the presence of a base such as triethylamine to form N'-cyclooctyl-N,N-dimethylurea, the active compound known as cycluron. The reaction typically occurs in an organic solvent under controlled temperature conditions to ensure optimal yield and purity.

Works by inhibiting photosynthesis in target plants, effectively suppressing weed growth while minimising harm to cultivated crops. Absorbed by roots and has a strong residual activity.

Herbicide