English name:Diflubenzuron
Cas No. 35367-38-5
Product Description:

Information:

IUPAC name : 1-(4-chlorophenyl)-3-(2,6-difluorobenzoyl)urea

Chemical formula: C₁₄H₉ClF₂N₂O₂

Molecular mass (g mol-1) _: 310.68

Physical state : White crystalline solid

Properties :

Melting point (°C) : 227.6

Bulk density : 1.57 g/cm³

Vapour pressure at 20°C(mPa)：0.00012

Solubility - In water at 20°C(mg l-1) ：0.08

Solubility - In organic solvents at 20°C (mg l-1) ：Acetone：6980；n-Hexane：63 ；Toluene ：290；Methanol ：1100

ECOTOXICOLOGY

Mammals - Acute oral LD50 (mg kg-1) ：> 4640

Birds - Acute LD50 (mg kg-1)：>5000

Birds - Short term dietary (LC50/LD50)：> 1206 mg kg bw-1 day-1

Fish - Acute 96 hour LC50 (mg l-1)  > 0.13

Fish - Chronic 21 day NOEC (mg l-1)：0.2  

Aquatic invertebrates - Acute 48 hour EC50 (mg l-1)：0.0026

Aquatic invertebrates - Chronic 21 day NOEC (mg l-1)：0.00004

Earthworms -Acute 14 day LC50 (mg kg-1)> 500

Aquatic plants - Acute 7 day EC50, biomass (mg l-1)：> 0.19

Algae - Acute 72 hour EC50, growth (mg l-1) ：20

Algae - Chronic 96 hour NOEC, growth (mg l-1)：1

TOXICOLOGY

Mammals - Acute oral LD50 (mg kg-1) > 4640 Rat

Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 Rat

Mammals - Inhalation LC50 (mg l-1) >2.5 Rat, 4 hr (nose only)

ADI - Acceptable Daily Intake (mg kg-1bw day-1): 0.1 Mouse 

AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1): 0.033

Product description:

Diflubenzuron is suitable for a range of plants and widely used in apple, pear, peach, citrus and other fruit trees, corn, wheat, rice, cotton, peanuts and other grain, cotton, oil crops, cruciferous vegetables, nightshade vegetables, melons, etc. Vegetables, and various plants such as tea trees and forests It used to control Lepidoptera pests, such as Pieris rapae, Plutella xylostella, Spodoptera exigua, Spodoptera litura, Strioptera crassa, Peach leaf moth, Citrus leaf miner, armyworm, tea looper, cotton bollworm, USA White moths, pine caterpillars, leaf curl moths, leaf roller borers, etc.