Agent Name

Thifensulfuron-methyl

CAS Number

79277-27-3

Formula

C12-H13-N5-O6-S2

Major Category

Pesticides

Synonyms

DPX-M 6316; Harmony; INM 6316; Methyl 3-(4-methoxy-6-methyl-1,3,5-triazin-2-ylcarbamoylsulfamoyl)-2-thenoate; Pinnacle; Refine; Thiameturon-methyl; Thifensulfuron methyl; 2-Thiophenecarboxylic acid, 3-(((((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] Off-white odorless solid; [HSDB]

Sources/Uses

Used as post-emergence herbicide for control of broad-leaved weeds in food crops; [Merck Index]

Comments

High-dose animal studies: In a 24-month feeding study at 125 mg/kg/day, rats had weight loss, and decreased serum sodium; No evidence of carcinogenicity in a study of mice; Decreased mean fetal weight in a developmental study; [HSDB] An irritant; [MSDSonline]

Exposure Assessment
Vapor Pressure

1.28E-10 mm Hg

Lethal Concentration

LC50 (rat) > 7,900 mg/m3/4h

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: