Teflubenzuron
NOMENCLATURE
Common name Teflubenzuron
IUPAC name 1-(3,5-dichloro-2,4-difluorophenyl)-3-(2,6-difluorobenzoyl)urea
Chemical Abstracts name N-[[(3,5-dichloro-2,4-difluorophenyl)amino]carbonyl]-2,6-difluorobenzamide
CAS RN 83121-18-0
EEC no.
CONTROL OBJECT
Crop
Control object
PHYSICAL CHEMISTRY

Mol. wt. 381.1 

M.f. C14H6Cl2F4N2O2 

Form White to yellowish crystals. 

M.p. 218.8 °C (initial melting point) 

V.p. 1.3×10-5 mPa (25 ºC) 

KOW logP = 4.3 (20 ºC) 

Solubility In water 0.019 mg/l (23 ºC). In acetone 10, ethanol 1.4, dimethyl sulfoxide 66, dichloromethane 1.8, cyclohexanone 20, hexane 0.05, toluene 0.85 (all in g/l, 20 ºC). 

Stability Stable for more than 2 years at room temperature. On hydrolysis, DT50 (25 ºC) 30 d (pH 5), 10 h (pH 9).

APPLICATIONGS
Chitin synthesis inhibitor, affecting moulting. Biochemistry
Systemic insect growth regulator. Mode of action
Control of Lepidoptera, Coleoptera, Diptera, Aleyrodidae, Hymenoptera, Psyllidae, and Hemiptera larvae on vines, pome fruit, stone fruit, citrus fruit, cabbages, potatoes, vegetables, soya beans, trees, sorghum, tobacco, and cotton. Also controls fly and mosquito larvae, and immature stages of major locust species. Also under development to protect salmonids against sea lice. Uses
PRODUCT INFORMATION
Standard of technical material
Testing itemsStandard(w/w)
Content
Loss of drying
Water
Formulation type
content
Package
Mix with
Typical application rates