Diflubenzuron

Synonyms

1-(4-Chlorophenyl)-3-(2,6-difluorobenzoyl)urea; 1-(p-Chlorophenyl)-3-(2,6-difluorobenzoyl)urea; Astonex; Benzamide, N-(((4-chlorophenyl)amino)carbonyl)-2,6-difluoro-; DU 112307; Difluron; Dimilin; Dimilin G1; Dimilin G4; Dimilin ODC-45; Dimilin WP-25; Duphacid; ENT 29054; Larvakil; Micromite; N-(((4-Chlorophenyl)amino)carbonyl)-2,6-difluorobenzamide; N-(4-Chlorophenylcarbamoyl)-2,6-difluorobenzamide; OMS 1804; PDD 6040I; PH 60-40; Philips-Duphar PH 60-40; TH 6040; Thompson Hayward 6040; Thompson-Hayward TH6040; [ChemIDplus] UN3077

Category

Other Insecticides

Description

White to yellowish-brown solid; [Merck Index] Colorless solid; [HSDB]; [MSDSonline]

Sources/Uses

Used as insecticide; Inhibits chitin deposition in insect cuticle; [Merck Index] Used as insecticide (larvicide); inhibits molting of larvae of mosquitoes, houseflies, stable flies, and black flies by interfering with chitin synthesis; [HSDB] Used to control leaf-feeding larvae and leaf miners in forestry, top fruit, citrus, and field crops; [INCHEM] Used mainly on cattle, citrus, cotton, mushrooms, ornamentals, standing water, trees, and to control mosquitoes and gypsy moths; [Reference #1]

Comments

Caused increased methemoglobin levels in animal studies; [INCHEM] A metabolite, p-chloroaniline, is a probable human carcinogen; Very highly toxic to crustacea and highly toxic to mollusks; Risk of methemoglobinemia for mixers, loaders, and applicators; [Reference #1]

Reference Link #1

Biomedical References

9E-10 mm Hg

LC50 (rat) > 2,490 mg/m3

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Environmentally hazardous substances, solid, n.o.s."

Reference Link #2

MetHgb is secondary toxic effect

Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Processes

Industrial Processes with risk of exposure:

• Farming (Pesticides)