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A pesticide, like other BPUs it interferes with chitin synthesis.

Fluazuron is used for the strategic control of the cattle tick Boaphilus microplus on beef cattle.

ChEBI: Fluazuron is an N-acylurea that is urea in which one of the hydrogens has been replaced by a 3,6-difluorobenzoyl group, while a hydrogen attached to the other nitrogen has been replaced by a 4-chloro-3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl group. It is used to control ticks in cattle. It has a role as a mite growth regulator and an acaricide. It is an organofluorine acaricide, an organochlorine acaricide, a member of monochlorobenzenes, a N-acylurea, a chloropyridine, an aromatic ether and a member of phenylureas.

Only limited information is available in the open literature on the metabolism of fluazuron in animals. Based on its use, information on metabolism in soils and plants is not relevant.

Fluazuron is less stable at alkaline pH than under acidic conditions. The hydrolysis DT₅₀ at 25 °C was reported to be 14 days at pH 3, 7 days at pH 5,20 hours at pH 7 and 0.5 hours at pH 9 (PM).