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Diflubenzuron

Product Name:
Diflubenzuron
CAS No.
35367-38-5
Chemical Name:
Diflubenzuron
CBNumber:
CB8162496
Molecular Formula:
C14H9ClF2N2O2
Formula Weight:
310.68
MOL File:
35367-38-5.mol
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Diflubenzuron Property

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
pka
8.78±0.46(Predicted)
Water Solubility 
0.008 g/100 mL
Merck 
13,3166
BRN 
2162461
CAS DataBase Reference
35367-38-5(CAS DataBase Reference)
NIST Chemistry Reference
Difluron(35367-38-5)
EPA Substance Registry System
Diflubenzuron (35367-38-5)
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Safety

Hazard Codes 
C,N
Risk Statements 
50/53
Safety Statements 
60-61
RIDADR 
3077
WGK Germany 
2
RTECS 
YS6200000
HazardClass 
9
PackingGroup 
III
Hazardous Substances Data
35367-38-5(Hazardous Substances Data)
Toxicity
LD50 in mice, rats (formulation with 50% kaolin) (g/kg): 4.64, >10 orally (Mulder, Gijswijt)
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N-Bromosuccinimide Price More Price(6)

Sigma-Aldrich Gold
Product number:
45446
Product name :
Diflubenzuron
Purity:
PESTANAL
Packaging:
250mg
Price:
$61
Updated:
2019/12/02
Buy:
Buy
Sigma-Aldrich Gold
Product number:
77070
Product name :
Diflubenzuron
Purity:
certified reference material, TraceCERT
Packaging:
50mg
Price:
$198
Updated:
2019/12/02
Buy:
Buy
Cayman Chemical Gold
Product number:
23095
Product name :
Diflubenzuron
Purity:
≥98%
Packaging:
10g
Price:
$106
Updated:
2018/11/19
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Buy
Cayman Chemical Gold
Product number:
23095
Product name :
Diflubenzuron
Purity:
≥98%
Packaging:
5g
Price:
$59
Updated:
2018/11/19
Buy:
Buy
Cayman Chemical Gold
Product number:
23095
Product name :
Diflubenzuron
Purity:
≥98%
Packaging:
25g
Price:
$221
Updated:
2018/11/19
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Diflubenzuron Chemical Properties,Usage,Production

Uses

Diflubenzuron 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.

Uses

An inhibitor of TCDD-induced CYP1a1 expression in HepG2 cells.

Uses

Insecticide.

Uses

nsystemic insecticide used to control leaf-eating larvae and leaf miners in forestry, woody ornamentals and fruit trees.

Uses

Diflubenzuron 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.

Definition

ChEBI: 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 Description

Colorless to yellow crystals. Used as a selective insecticide.

Air & Water Reactions

Hydrolyzed in alkaline solution above pH 9.0.

Reactivity Profile

A urea derivative.

Agricultural Uses

Insecticide, 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 name

ADEPT®; 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 Profile

Moderately 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 Fate

Soil. 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 pathway

Diflubenzuron 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.

Degradation

Diflubenzuron 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 materials

Raw materials

Preparation Products

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Diflubenzuron Suppliers

Global(220)Suppliers
Wuhan Ji Ye Sheng Chemical Co., Ltd.
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NANJING BANGNUO BIOTECHNOLOGY CO., LTD
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Nanjing Bermuda Biotechnology Co., Ltd.
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173-40521416- ;
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17340521416
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Shanghai Boyle Chemical Co., Ltd.
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Mr Qiu:021-50182298(Demestic market) Miss Xu:021-50180596(Abroad market)
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Nanjing Chemlin Chemical Co., Ltd
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025-83697070
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+86-25-83453306
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Chemsky(shanghai)International Co.,Ltd.
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Syntechem Co.,Ltd
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Please Email
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35367-38-5, DiflubenzuronRelated Search:

(2,6-Difluoro-benzyl)-urea Diflubenzuron Glycine Pyrethrins Florfenicol CHLOROPHENYLSILANE 97 Chlorfluazuron AMINO ACIDS Betaine Chlorodimethylphenylsilane Urea formaldehyde tert-Butylchlorodiphenylsilane CHLORPROPAMIDE Forchlorfenuron ALTRENOGEST TriphenylMethyl chloride Teflubenzuron GRANULAR UREA
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  • benzamide,N-[[(4-chlorophenyl)amino]carbonyl]-2,6-difluoro-
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  • dimiling1
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  • dimilinodc-45
  • dimilinwp-25
  • DU 112307
  • du112307
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  • N-(4-Chlorophenyl)-N'-(2,6-difluorobenzoyl)urea
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  • N-[[(4-Chlorophenyl)amno]carbonyl]-2,6-difluorobenzamide
  • th60-40
  • Thompson-Hayward 6040
  • thompsonhayward6040
  • thompson-haywardth6040
  • Diflubenzuron suspensoid (20%)
  • Diflubenzuron E.C.
  • Diflubenzuron 250mg [35367-38-5]
  • OMS 1804
  • oms1804
  • PDD 6040-I
  • pdd6040i
  • PH 60-40
  • ph-6040
  • PH60-40
  • philips-dupharph60-40
  • TH 60 40
  • th6040
  • 3-(2,6-Difluorobenzoyl)-1-(4-chlorophenyl)urea
  • Dimilin(Solvay Duphar B.V.)
  • PDD60-40 I (Duphar B.V.)
  • TH6040(T.H.Agriculture & Nutrition Co.Inc.)
  • 1-(4-Chlorophenyl)-3-(2,6-difluorobenzyl)urea 95% [Diflubenzuron]
  • DIFLUBENZURON, 1GM, NEAT
  • DIFLUBENZURON PESTANAL (1-(4-CHLORO-PHEN
  • 1-(4-Chlorophenyl)-3-(2,6-difluoroBenzyl)urea[DifluBenzuron]