Siduron

Synonyms

1-(2-Methylcycohexyl)-3-phenylurea; Du Pont 1318; Du Pont herbicide 1,318; DuPont 1318; H 1318; N-(2-Methylcyclohexyl)-N'-phenylurea; N-Phenyl-N'-(2-methylcyclohexyl)urea; Trey; Tupersan; Urea, 1-(2-methylcyclohexyl)-3-phenyl-; Urea, N-(2-methylcyclohexyl)-N'-phenyl-; [ChemIDplus]

Category

Herbicides, Urea Derivative

Description

Colorless or white odorless solid; [HSDB] Colorless crystalline solid; [MSDSonline]

Sources/Uses

Used as pre-emergence herbicide for control of annual grass weeds in desirable grass species and turf (including sod farms); [HSDB]

Comments

May cause skin, eye, nose, and throat irritation; Urea-derived herbicides have low toxicity in animal feeding studies; May induce methemoglobinemia; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122]

Reference Link #1

Biomedical References

4E-09 mm Hg

MetHgb is secondary toxic effect

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)