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Chemical Identification
Common Name
Fluoroglycofen-ethyl
中文通用名
乙羧氟草醚
IUPAC
ethyl O-[5-(2-chloro-α,α,α-trifluoro-p-tolyloxy)-2-nitrobenzoyl]glycolate
CAS
2-ethoxy-2-oxoethyl 5-[2-chloro-4-(trifluoromethyl)phenoxy]-2-nitrobenzoate
CAS No.
77501-90-7
Molecular Formula
C18H13ClF3NO7
Molecular Structure
Category
Activity
Herbicide
Premix
Tribenuron-methyl+fluoroglycofen-ethyl
Fluoroglycofen-ethyl+Quizalofop-p-ethyl+Glyphosate
Fluoroglycofen-ethyl+Glufosinate-ammonium
Bensulfuron-methyl+Fluoroglycofen-ethyl+Clodinafop-propargyl
Glyphosate ammonium+MCPA+Fluoroglycofen-ethyl
Fluoroglycofen-ethyl+Haloxyfop-P-methyl
Emulsifiable concentrate, wettable powder. 
Premix Parters: mancozeb;
Physical Properties
Molecular weight:447.8; Physical form:Dark amber solid. Density:1.01 (25 °C); Melting point:65 °C; Partition coefficient(n-octanol and water):logP = 3.65; Solubility:In water 0.6 mg/l (25 °C). Readily soluble in most organic solvents (except hexane).; Stability:In aqueous solution, 0.25 mg/l, at 22 °C, DT50 c. 231 d ( pH 5), 15 d ( pH 7), 0.15 d ( pH 9)
Toxicology
Oral:Acute oral LD50 for rats 1500 mg/ kg. Percutaneous:Acute percutaneous LD50 for rabbits >5000 mg/ kg; slight irritant to their skin and eyes. Inhalation: LC50 (4 h) for rats >7.5 mg EC formulation/l.
Environmental Profile
Ecotoxicology: 
Bees: LD50 (contact) >100 μg/bee.Birds:Acute oral LD50 for bobwhite quail >3160 mg/kg. Dietary LC50 (8 d) for mallard ducks and bobwhite quail >5000 mg a.i./ kg.Daphnia: LC50 (48 h) 30 mg/l.Fish: LC50 (96 h) for bluegill sunfish 1.6, trout 23 mg/l. 

Environmental fate: 
Animals:Hydrolysis of the ester and reduction of the nitro group.Soil:In soil and water, fluoroglycofen-ethyl is very rapidly hydrolysed to the corresponding acid. 
SOIL PARTICLE ADSORPTION: Low potential to leach DEGRADATION/METABOLISM: Soil photolysis half-life 14 days; aqueous photolysis half-life 3-6 hr
Transport Information
Signal Word:CAUTION; Hazard Class:III(Slightly hazardous)

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