Agent Name

Diuron

CAS Number

330-54-1

Formula

C9-H10-Cl2-N2-O

Major Category

Pesticides

Synonyms

1,1-Dimethyl-3-(3,4-dichlorophenyl)urea; 1-(3,4-Dichlorophenyl)-3,3-dimethylurea; 1-(3,4-Dichlorophenyl)-3,3-dimethyluree [French]; 3-(3,4-Dichloor-fenyl)-1,1-dimethylureum [Dutch]; 3-(3,4-Dichlor-phenyl)-1,1-dimethyl-harnstoff [German]; 3-(3,4-Dichlorophenyl)-1,1-dimethylurea; 3-(3,4-Dicloro-fenyl)-1,1-dimetil-urea [Italian]; AF 101; Anduron; Ansaron; Bioron; Cekiuron; Crisuron; DCMU; DCMU 99; DMU; DP Hardener 95; Dailon; Di-on; Dichlorfenidim; Dichlorfenidim [Russian]; Direx 4L; Dirurol; Ditox-800; Diuron 4L; Diuron 900; Diuron Nortox; Drexel; Duran; Durashield; Dynex; Farmco diuron; HW 920; Herbatox; Herburon; Karmex; Karmex D; Karmex DW; Karmex Diuron Herbicide; Lucenit; Marmer; N'-(3,4-Dichlorophenyl)-N,N-dimethylurea; N,N,-Dimethyl-N'-(3,4-dichlorophenyl)urea; N-(3,4-Dichlorophenyl)-N',N'-dimethylurea; Preventol A 6; Seduron; Sup'r flo; Telvar diuron weed killer; USAF XR-42; Unidron; Urox D; Vonduron; [ChemIDplus]

Category

Herbicides, Urea Derivative

Description

White, odorless, crystalline solid. [herbicide]; [NIOSH]

Sources/Uses

A photosynthesis inhibitor, diuron is used for general weed control and to kill emerging weeds in sugarcane, citrus, pineapple, cotton, and asparagus crops. [ACGIH]

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] Skin and mucous membrane irritation have been reported with the use of diuron. [ACGIH]

Reference Link

EXTOXNET PIP - DIURON

Exposure Assessment
Skin Designation (ACGIH)

Insufficient data

TLV (ACGIH)

10 mg/m3

Vapor Pressure

2.0E-9 mm Hg

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

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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Biomedical References

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Processes

Industrial Processes with risk of exposure: