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Common NameQuizalofop-P-ethyl
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中文通用名精喹禾灵
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IUPACethyl (R)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionate
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CASethyl (2R)-2-[4-[(6-chloro-2-quinoxalinyl)oxy]phenoxy]propanoate
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CAS No.100646-51-3
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Molecular FormulaC19H17ClN2O4
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Molecular Structure
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Category
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ActivityHerbicide
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PremixFomesafen+Quizalofop-p-ethyl
Fluoroglycofen-ethyl+Quizalofop-p-ethyl+Glyphosate
Clomazone+Quizalofop-P-ethyl+Fomesafen
Emulsifiable concentrate. Premix Parters: tetramethrin;
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Physical PropertiesMolecular weight:372.8; Physical form:White, crystalline, odourless solid. Density:1.36 g/cm3; Melting point:76.1-77.1℃; Vapour pressure:1.1 × 10-4 mPa(20℃); Partition coefficient(n-octanol and water):logP = 4.66 (23℃); Solubility:In water 0.61mg/l (20℃). In acetone, ethyl acetate and xylene >250, 1,2-dichloroethane >1000 (all in g/l, 22-23 ℃); in methanol 34.87, n-heptane 7.168 (both in g/l, 20℃).; Stability:Stable in neutral and acidic media, but unstable in alkaline media;DT50 <1 d (pH<9). Stable at high temperatures and in organic solvents.;
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ToxicologyOral:Acute oral LD50 for male rats 1210, female rats 1182, male mice 1753, female mice 1805 mg/kg. Phytotoxicity:Most non-graminaceous crops are tolerant.
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Environmental ProfileEcotoxicology:
Algae:Assumed similar to racemate.Bees:Assumed similar to racemate.Birds:Acute oral LD50 for mallard ducks and bobwhite quail >2000 mg/kg.Daphnia: LC50 (48 h) 0.29 mg/l.Fish:LC50 (96 h) for rainbow trout >0.5 mg/l.Worms:LC50 >1000 mg/ kg.
Environmental fate:
Animals:The degradation pattern is the same as that for quizalofop-ethyl.Soil:In soil, degrades rapidly to quizalofop-P; DT50 ×1 d.Plant:The degradation pattern is the same as that for quizalofop-ethyl. -
Transport InformationSignal Word:CAUTION; Hazard Class:III(Slightly hazardous)
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