Metsulfuron-methyl

Agent Name
Metsulfuron-methyl
CAS Number
74223-64-6
Formula
C14-H15-N5-O6-S
Major Category
Pesticides
Metsulfuron-methyl formula graphical representation
Synonyms
2-(((((4-Methoxy-6-methyl-1,3,5-triazin-2yl)amino)carbonyl)amino)sulfonyl)benzoic acid methyl ester; ALLY; ALLY 20DF; Allie; Brush-off; DPD 63760H; DPX 6376; DPX-T 6376; Escort; Escort (pesticide); Granstar; Gropper; HCHA 92HA; Methyl 2-(((((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)amino)sulfonyl)benzoate; Methyl 2-(3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)ureidosulfonyl)benzoate; Methyl 2-(3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)ureidosulphonyl)benzoate; Metsulfuron methyl; Metsulfuron methyl ester [ANSI]; N-((2-Methylcarbonyl)phenyl)sulfonyl-N'-(6-methoxy-4-methyl-2-triazinyl)urea; N-((4-Methoxy-6-methyl-1,3,5-triazin-2-yl)aminocarbonyl)-2-methoxycarbonylbenzenesulfonamide; T 6376; Benzoic acid, 2-(((((4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino)carbonyl)amino)sulfonyl)-, methyl ester; [ChemIDplus]
Category
Herbicides, Sulfonylurea
Description
White solid; [Merck Index] Colorless or white to pale yellow solid with a mild sweet ester-like odor; [HSDB]
Sources/Uses
Used as pre- and post-emergence herbicide for control of broad-leaved weeds and annual grasses in barley, wheat, pastures, rangeland, and non-cropland; [HSDB]
Comments
An eye and mild skin irritant; Urea-derived herbicides have low toxicity in animal feeding studies; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122] In a 90-day feeding study at 5000 mg/kg diet, dogs had no apparent systemic toxicity; [HSDB]
Biomedical References

Exposure Assessment

Vapor Pressure
5.8E-05 mm Hg
Lethal Concentration
LC50 (rat) > 5,000 mg/m3/4h

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: