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Chemical Identification
Common Name
Buprofezin
中文通用名
噻嗪酮
IUPAC
(Z)-2-tert-butylimino-3-isopropyl-5-phenyl-1,3,5-thiadiazinan-4-one
CAS
(Z)-2-[(1,1-dimethylethyl)imino]tetrahydro-3-(1-methylethyl)-5-phenyl-4H-1,3,5-thiadiazin-4-one
CAS No.
69327-76-0
Molecular Formula
C16H23N3OS
Molecular Structure
Category
Activity
Insecticide, acaricide
Premix
Thiosultap-monosodium+buprofezin
Spirotetramat+Buprofezin
Pyriproxyfen+Buprofezin
Phenthoate+Buprofezin
Lambda-cyhalothrin+buprofezin
Imidacloprid+buprofezin
Buprofezin+metolcarb
Buprofezin+Isoprocarb
Buprofezin+Dinotefuran
Beta-cypermethrin+buprofezin
Wettable powder, suspension concentrate, dust, granule. Premix Parters: 2,4-D; oxadiazon; propanil;
Physical Properties
Molecular weight:305.4; Physical form:White crystals; ( tech., white or pale yellow crystalline powder). Density:1.18 (20 °C); Composition:Tech. is 99.1%. Melting point:104.5-105.5 °C; Vapour pressure:1.25 mPa (25 °C); Henry constant:4.24 × 10-1 Pa m3 mol-1 ( calc.); Partition coefficient(n-octanol and water):logP = 4.3; Solubility:In water 0.9 mg/l (25 °C). In chloroform 520, benzene 370, toluene 320, acetone 240, ethanol 80, hexane 20 (all in g/l, 25 °C).; Stability:Stable in acidic and alkaline media. Stable to heat and light.;
Toxicology
Oral:Acute oral LD50 for male rats 2198, female rats 2355, male and female mice >10 000 mg/kg. Percutaneous:Acute percutaneous LD50 for rats >5000 mg/kg. Mild skin irritant (guinea pigs); not irritating to skin and eyes (rabbits). Inhalation: LC50 (4 h) for rats >4.57 mg/l air. Phytotoxicity:Slightly phytotoxic to Chinese cabbage.
Environmental Profile
Ecotoxicology: 
Bees:No direct effect at 2000 mg/l (WP formulation).Daphnia: LC50 (3 h) for D. pulex 50.6 mg/l.Fish: LC50 (48 h) for carp 2.7, rainbow trout >1.4 mg/l.Other beneficial spp.:No effect on various predators ( Euseius stipulatus 250 mg/l; Phytoseiulus persimilis 500 mg/l; Cyrtorhinus lividipennis, Microvelia atrolineata 250 mg/l; Lycosa pseudoannula 

Environmental fate: 
Animals:Low residues were found in nearly all ruminant and poultry tissues. Extensive metabolism was observed, with a large number of minor metabolites being producedSoil: DT50 (25 °C) 104 d (flooded conditions, silty clay loam, o.c. 3.8%, pH >6.4), 80 d (upland conditions, sandy loam, o.c. 2.4%, pH 7.0) (J. Pestic. Sci.,Plant:Limited metabolism in most plant species; minor metabolites indicate a pathway involving hydroxylation or oxidative loss of the tert-butyl group, followed by opening of the heterocyclic ring.
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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