Metobromuron
Agent Name
Metobromuron
CAS Number
3060-89-7
Formula
C9-H11-Br-N2-O2
Major Category
Pesticides
Synonyms
3-(4-Bromophenyl)-1-methoxy-1-methylurea; 3-(p-Bromophenyl)-1-methoxy-1-methylurea; 3-(p-Bromophenyl)-1-methyl-1-methoxyurea; C-3126; CIBA-3126; Metbromuron; Monobromuron; N'-(4-Bromophenyl)-N-methoxy-N-methylurea; N-(4-Bromophenyl)-N'-methyl-N'-methoxy-harnstoff [German]; Patoran; Pattonex; Urea, 3-(p-bromophenyl)-1-methoxy-1-methyl-; Urea, N'-(4-bromophenyl)-N-methoxy-N-methyl-; [ChemIDplus]
Category
Herbicides, Urea Derivative
Description
Colorless solid; [Hawley] White solid; [HSDB]
Sources/Uses
Used as pre-emergence herbicide to control annual broad-leaved weeds and grasses in beans, soybeans, tomatoes, tobacco, potatoes, flax, and sunflowers; Not sold in the US; [HSDB] Used in the EU as herbicide on potatoes; [ExPub: EC: EFSA]
Comments
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] An eye irritant; Harmful by ingestion and inhalation; [Sigma-Aldrich MSDS]
Biomedical References
Exposure Assessment
Vapor Pressure
3E-06 mm Hg
Lethal Concentration
LC50 (rat) > 1,100 mg/m3/4hr
Adverse Effects
Methemoglobinemia
MetHgb is secondary toxic effect
Diseases, Processes, and Activities Linked to This Agent
Processes
Industrial Processes with risk of exposure: