Agent Name

Cycluron

CAS Number

2163-69-1

Formula

C11-H22-N2-O

Major Category

Pesticides

Synonyms

3-Cyclooctyl-1,1-dimethylharnstoff [German]; 3-Cyclooctyl-1,1-dimethylurea; Cyclouron; HS 61; N-Cyclooctyl-N',N'-dimethylurea; OMU; Urea, 3-cyclooctyl-1,1-dimethyl-; Urea, N'-cyclooctyl-N,N-dimethyl-; [ChemIDplus]

Category

Herbicides, Urea Derivative

Description

Colorless odorless solid; [HSDB]

Sources/Uses

Used formerly as pre-emergence herbicide for onions, spinach, sugar beets, forestry, and other crops; Formerly used in 3:2 formulation with Chlorbufam; Discontinued by BASF sometime before 1985; [HSDB]

Comments

Urea-derived herbicides have low toxicity in animal feeding studies; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122] May cause irritation; [MSDSonline]

Exposure Assessment
Vapor Pressure

6.67E-5 mm Hg

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Processes

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