Agrochemical insecticide diflubenzuron 25% Wp

Diflubenzuron Basic informationDescriptionProduct Name:DiflubenzuronSynonyms:Diflubenzuron suspensoid (20%);Diflubenzuron E.C.;Diflubenzuron 250mg [35367-38-5];OMS 1804;oms1804;PDD 6040-I;pdd6040i;PH 60-40CAS:35367-38-5MF:C14H9ClF2N2O2MW:310.68EINECS:252-529-3Product Categories:DID - DINPesticides;Alphabetic;D;Growth regulatorsP

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Diflubenzuron Basic information
Product Name:Diflubenzuron
Synonyms:Diflubenzuron suspensoid (20%);Diflubenzuron E.C.;Diflubenzuron 250mg [35367-38-5];OMS 1804;oms1804;PDD 6040-I;pdd6040i;PH 60-40
Product Categories:DID - DINPesticides;Alphabetic;D;Growth regulatorsPesticides&Metabolites;Insecticides;Others;Pesticides;Alpha sort;DAlphabetic;Pesticides&Metabolites;INSECTICIDE;API
Mol File:35367-38-5.mol
Diflubenzuron Chemical Properties
Melting point 230-232°C
density 1.4301 (estimate)
vapor pressure 1.2 x l0-4 mPa (25 °C)
storage temp. 0-6°C
form Solid
Water Solubility 0.008 g/100 mL
Merck 13,3166
BRN 2162461
CAS DataBase Reference35367-38-5(CAS DataBase Reference)
NIST Chemistry ReferenceDifluron(35367-38-5)
EPA Substance Registry SystemDiflubenzuron (35367-38-5)
Safety Information
Hazard Codes C,N
Risk Statements 50/53
Safety Statements 60-61
WGK Germany 2
RTECS YS6200000
HazardClass 9
PackingGroup III
Hazardous Substances Data35367-38-5(Hazardous Substances Data)
ToxicityLD50 in mice, rats (formulation with 50% kaolin) (g/kg): 4.64, >10 orally (Mulder, Gijswijt)
MSDS Information
Diflubenzuron Usage And Synthesis
DescriptionDiflubenzuron is an insecticide of the benzoylurea class.It is used in forest management and on field crops to selectively control insect pests, particularly forest tent caterpillar moths, boll weevils, gypsy moths, and other types of moths.It is a widely used larvicide in India for control of mosquito larvae by public health authorities. Diflubenzuron is approved by the WHO Pesticide Evaluation Scheme.
Usesnsystemic insecticide used to control leaf-eating larvae and leaf miners in forestry, woody ornamentals and fruit trees.
UsesDiflubenzuron is used for the control of a wide range of leaf-eating insects in forestry, woody ornamentals and fruit. It controls major pests on cotton, soyabean, citrus and tea and it also controls larvae of flies, mosquitoes and locusts. Diflubenzuron is also used as an ectoparasiticide.
UsesDiflubenzuron is a benzoylurea-based pesticide belonging to the benzamide class. Diflubenzuron is a chitin synthesis inhibitor. Diflubenzuron is used in both agriculture and forest management to selec tively control insect pests, particularly moths and weevils.
UsesAn inhibitor of TCDD-induced CYP1a1 expression in HepG2 cells.
DefinitionChEBI: A benzoylurea insecticide that is urea in which a hydrogen attached to one of the nitrogens is replaced by a 4-chlorophenyl group, and a hydrogen attached to the other nitrogen is replaced bgy a 2,6-difluorobenzoyl group.
General DescriptionColorless to yellow crystals. Used as a selective insecticide.
Air & Water ReactionsHydrolyzed in alkaline solution above pH 9.0.
Reactivity ProfileA urea derivative.
Agricultural UsesInsecticide, Larvicide: Diflubenzuron is used primarily on citrus, cattle feed, cotton, forestry, mushrooms, ornamentals, pastures, soybeans, standing water, sewage systems, and wide-area general outdoor treatment sites. The insecticide behaves as a chitin inhibitor to inhibit the growth of many leaf-eating larvae, mosquito larvae, aquatic midges, rust mite, boll weevil, and house-black-, and stable-flies. Diflubenzuron was first registered in the United States in 1979 for use as an insecticide.
Trade nameADEPT®; ASTONEX®; DIMILIN®; DIMILIN® FLO; DIMILIN® WG-80; DU-112307®; DUPHAR® PH 60-40; ODC-45®; DIFLURON®; DU 112307®; LARGON®; LARVAKIL®; MICROMITE®; OMS 1804®; PDD 60401®; PH 60- 40®; PHILIPS-DUPHAR® PH 60-40; TH 60-40®; THOMPSON-HAYWARD® 6040; VIGILANTE®
Safety ProfileModerately toxic by skin contact. Mildly toxic by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of Cl-, F-, and NOx.
Environmental FateSoil. The half-life in soil is <1 week (Hartley and Kidd, 1987). Di?ubenzuron degrades more rapidly in neutral or basic conditions but more slowly under acidic conditions (pH <6) (Ivie et al., 1980).
Chemical/Physical. Hydrolyzes in water to 4-chlorophenylurea (Verschueren, 1983).
Metabolic pathwayDiflubenzuron was the first active substance commercialised as a benzoylurea insect growth regulator and there is extensive published information on its degradation and metabolism. Detailed studies of the degradation in soils have shown that cleavage of the urea linkage is the major process. This also occurs in plants, insects and mammals but the formation of products in which diflubenzuron is hydroxylated in both rings is also an important metabolic process.
DegradationDiflubenzuron was shown to be stable to hydrolysis in aqueous solution at acidic pH (DT50> 56 days at pH 4) but was readily hydrolysed at pH 10 (DT50 <3 days). In distilled water the DTa was 7 days (Ivie et al., 1980). The major degradation products isolated were 4-chlorophenylurea (2) and 2,6-difluorobenzoic acid (3). An additional minor product was 2,6- difluorobenzamide (4). The hydrolysis products are shown in Scheme 1. Additional products were formed under extreme conditions (121 °C under pressure).
Aqueous solutions of diflubenzuron are reported to be unstable to light but the solid is stable in sunlight (PM).
Diflubenzuron Preparation Products And Raw materials
Raw materials4-Chloroaniline-->Chlorfluazuron-->2,6-Difluorobenzamide-->2,6-Dichlorobenzonitrile-->2,6-Difluorobenzonitrile-->4-Chlorophenyl isocyanate

Agrochemical Pesticide Insecticide Diflubenzuron 25% Wp

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