Agent Name

Fenuron

CAS Number

101-42-8

Formula

C9-H12-N2-O

Major Category

Pesticides

Synonyms

1,1-Dimethyl-3-phenylurea; 1-Phenyl-3,3-dimethylurea; 3-Phenyl-1,1-dimethylurea; Amicure UR; Croptex Chrome; Croptex Ruby; Dibar; Dybar; Dyhard RU 300; Dyhard UR 300; Electrum; Falisilvan; Fenidin; Fikure 62U; Herbon Yellow; N,N-Dimethyl-N'-phenylurea; N-Phenyl-N',N'-dimethylurea; Omicure 94; PUD; PUD (herbicide); Quintex; Red; Urea, 1,1-dimethyl-3-phenyl-; Urea, N,N-dimethyl-N'-phenyl-; [ChemIDplus]

Category

Herbicides, Urea Derivative

Description

White or colorless solid; [HSDB] Off-white powder; [MSDSonline]

Sources/Uses

Used as herbicide to control woody plants and perennial weeds (especially on non-crop land); [HSDB]

Comments

Urea-derived herbicides have low toxicity in animal feeding studies; May induce methemoglobinemia; After daily doses of 150 mg/kg for 10 months, guinea pigs had anemia, hypothyroidism, and injury to the liver, kidneys, and heart; No effects in rats fed 500 ppm for 90 days; [HSDB] Systemic toxicity unlikely unless large amounts ingested; [EPA Pesticides, p. 122] May be hydrolyzed to aniline causing methemoglobinemia; [Merck Index] May cause irritation; May induce methemoglobinemia; [MSDSonline]

Exposure Assessment
Vapor Pressure

3.75E-5 mm Hg

Adverse Effects
Hepatotoxin

Hepatotoxin, Secondary

Methemoglobinemia

Methemoglobinemia, Secondary

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: