Agent Name

Sulfometuron methyl

CAS Number

74222-97-2

Formula

C15-H16-N4-O5-S

Major Category

Pesticides

Synonyms

Benzoic acid, o-((3-(4,6-dimethyl-2-pyrimidinyl)ureido)sulfonyl)-, methyl ester; Methyl-2-((((4,6-dimethyl-2-pyrimidinyl)amino)carbonyl)sulfonyl)benzoate (9CI); [ChemIDplus]

Category

Herbicides, Sulfonylurea

Description

White solid;

Sources/Uses

Used as a non-crop herbicide (weed killer); [ACGIH]

Comments

Urea-derived herbicides have low toxicity in animal feeding studies; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122] Hematological effects (hemolysis) are seen in high-dose, chronic, feeding studies of animals; [ACGIH]

Reference Link

EXTOXNET PIP - SULFOMETURON-METHYL

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

5 mg/m3

Vapor Pressure

6.0E-5 mm Hg

Lethal Concentration

LC50 (rat) = >11,000 mg/m3/4H [ACGIH]

Adverse Effects
Anemia

Anemia, Hemolytic

ACGIH Carcinogen

Not Classifiable

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: