Diflubenzuron

Action/Use:

Insect Growth Regulator
;
Larvicide

Use: For leaffeeding insects in forestry, woody ornamentals, rangeland, and fruit. Certain major pests of citrus, cotton, rice, soybeans, vegetables, and ornamentals. Vigilante* to control the breeding of flies in cattle manure.

Identification

Common Name(s): Diflubenzuron (ANSI, ISO, BSI, ESA)

Description

Class: Substituted benzoylurea.

Properties: White crystalline solid. Tech melting point 210�-230�C. Almost insoluble in apolar solvents. Moderate to good in most polar-to-very polar solvents.

Mode of Action / Resistance Management

Chemical Group: Benzoylurea

Mode of Action: Inhibitor of chitin biosynthesis, type O, Lepidopteran

Action Group: IRAC Group 15

Environmental Guidelines

Degradation/metabolism: In soil, rapidly degraded by a microbiological process. Half-life in soil of WP (avg. particle sizes 2-3 micron) is 3-4 days

Hazards: Fish: LC₅₀ 140 mg/l (96 h) (rainbow trout); 135 mg/l (bluegill). Bird: Dietary LC₅₀ >4640 ppm (8 day) (mallard duck, bobwhite quail). Bee: Nontoxic

Soil Particle Adsorption: Strongly adsorbed by soil/humic acid complex; virtually immobile

Water Solubility: Almost insoluble, 0.08 mg/l at 20�C

Safety Guidelines

Signal Word: CAUTION

Toxicity Class: III

Toxicity: Tech (Rat): Oral LD₅₀ >4640 mg/kg. Dermal >10,000 mg/kg. (Rabbit): Non-irritating to skin; slight to eye. Not mutagenic. Not teratogenic. No evidence of carcinogenicity

Handling/storage Cautions: Store in a dry location

Spill Control/cleanup: Collect spill to prevent product from entering sewage system

Product/waste Disposal: Dispose as chemical waste of low toxicity

Suppliers and Branded Products

From:

Agria SA

Agriphar S.A. (Difuse*)

Agro-Care Chemical Industry Group Limited

Agsin Pte. Ltd. (Agmilin*)

Chemtura AgroSolutions (Adept*, Dimilin*, Micromite*)

Dongbu Fine Chemicals Co., Ltd.

FFC Limited