Quizalofop-ethyl (Ref: DPX Y6202) |
![]() Last updated: 08/03/2021 |
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(Also known as: quizalofop; EXP 3864; FBC 32197; INY 6202; Xylofop-ethyl) |
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A herbicide for the post-emergence control of annual and perennial grass weeds in various field crops | |
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Wild oats; Great brome; Volunteer cereals; Barley grass | |
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Field peas; Lupins; Sugarbeet | |
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- | |
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Current | |
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1984 |
UK regulatory status |
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Not approved | ||
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Expired | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Not approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Australia |
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Chemical structure |
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A chiral molecule. The technical material is an isomeric mixture of R(+)- and S(-)-enantiomers. The R-form is the more biologically active. | |
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C₁₉H₁₇ClN₂O₄ | |
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CCOC(=O)C(C)OC1=CC=C(C=C1)OC2=CN=C3C=C(C=CC3=N2)Cl | |
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No data | |
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OSUHJPCHFDQAIT-UHFFFAOYSA-N | |
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InChI=1S/C19H17ClN2O4/c1-3-24-19(23)12(2)25-14-5-7-15(8-6-14)26-18-11-21-17-10-13(20)4-9-16(17)22-18/h4-12H,3H2,1-2H3 | |
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Yes |
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Common Name | Relationship | Link |
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quizalofop-ethyl | - | ![]() |
quizalofop-P-ethyl | Enantimer | ![]() |
General status |
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Herbicide | |
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Aryloxyphenoxypropionate | |
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- | |
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- | |
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Synthetic | |
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Systemic, absorbed through leaves and translocated. An acetyl CoA carboxylase inhibitor (ACCase). | |
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76578-14-8 | |
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- | |
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429 | |
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128711 | |
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53518 | |
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372.8 | |
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rac-ethyl (2R)-2-{4-[(6-chloroquinoxalin-2-yl)oxy]phenoxy}propanoate | |
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ethyl (RS)-2-[4-(6-chloroquinoxalin-2-yloxy)phenoxy]propionate | |
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ethyl 2-(4-((6-chloro-2-quinoxalinyl)oxy)phenoxy)propanoate | |
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Severe Marine Pollutant | |
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- | |
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A | |
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1 | |
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Not applicable | |
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Not applicable | |
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- | |
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Colourless crystals |
Formulations |
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Available as emulsifiable concentrates and soluble concentrates. |
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0.31 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Low | ||||||||
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650000 | C4 C = AGRITOX (click here ) Acetone4 = Verified data |
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680000 | C4 C = AGRITOX (click here ) Benzene4 = Verified data |
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5000 | C4 C = AGRITOX (click here ) Hexane4 = Verified data |
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22000 | C4 C = AGRITOX (click here ) Methanol4 = Verified data |
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91.9 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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1.91 X 1004 | Calculated | - | |||||||
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4.28 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
High | ||||||||
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1.35 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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0.04 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Low volatility | ||||||||
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8.20 X 10-02 | H4 H = The US ARS pesticide properties database (click here ) 4 = Verified data |
Non-volatile | ||||||||
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Degradation |
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45 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Moderately persistent | |||||||
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45 | - | Moderately persistent | ||||||||
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60 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 3 = Unverified data of known source |
Moderately persistent | ||||||||
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Other sources: DT₅₀ range 1-90 days | ||||||||||
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0.8 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Onion bulb, n=1 | ||||||||||
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0.01 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Fast | |||||||
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2 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Non-persistent | |||||||
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39 | K4 K = Research datasets, e.g. Pandora, Demetra 4 = Verified data |
Stable |
Soil adsorption and mobility |
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- | H3 H = The US ARS pesticide properties database (click here ) 3 = Unverified data of known source |
Slightly mobile | |||||||
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540 | ||||||||||
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Other sources: Log Koc 2.76 | ||||||||||
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Fate indices |
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2.25 | Calculated | Transition state | ||||||||||||||||||||||||||
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1.12 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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High | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
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867 | Q2 Q = Miscellaneous internet resources Estimated2 = Unverified data of unknown source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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1460 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) Rat5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.9 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
High | |||||||
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> 2000 | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Colinus virginianus5 = Verified data used for regulatory purposes |
Low | ||||||||
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> 1123 mg kg bw⁻¹ day⁻¹ | A5 A = EU regulatory and evaluation data as published by EC, EFSA (RAR, DAR & Conclusion dossiers), EMA (e.g. EU Annex III PIC DGD) (EU - Pesticides database; EFSA Scientific Publications ) Colinus virginianus5 = Verified data used for regulatory purposes |
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> 2.8 | L3 L = Pesticide manuals and hard copy reference books / other sources Lepomis macrochirus3 = Unverified data of known source |
Moderate | ||||||||
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0.01 | P3 P = Other governments and regulators Pimephales promelas3 = Unverified data of known source |
Moderate | ||||||||
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> 2.1 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) Daphnia magna5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.023 | P3 P = Other governments and regulators Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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> 0.11 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Americamysis bahia3 = Unverified data of known source |
Moderate | ||||||||
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0.083 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Lemna gibba3 = Unverified data of known source |
Moderate | ||||||||
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3.57 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Scenedesmus subspicutus4 = Verified data |
Moderate | ||||||||
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1 | Q2 Q = Miscellaneous internet resources Unknown species2 = Unverified data of unknown source |
Moderate | ||||||||
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10 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) 5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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1000 | L2 L = Pesticide manuals and hard copy reference books / other sources 2 = Unverified data of unknown source |
Moderate | ||||||||
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Harmful | [Dose: 1200 g ha⁻¹] AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 Typhlodromus pyri3 = Unverified data of known source |
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Moderately harmful | [Dose: 1200 g ha⁻¹] AA3 AA = IOBC Database on classification of side effects to beneficial organisms, 2005 Chrysoperla carnea3 = Unverified data of known source |
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General |
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High (class III) | - | - | ||||||||
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1460 | B5 B = UK CRD and ACP evaluation documents / and other Defra (UK) documents (click here ) Rat5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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5.8 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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0.009 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Occupational exposure may occur through inhalation and dermal contact | ||||||||||
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Health issues |
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Liver toxicant Harmful in contact with skin and if swallowed |
Handling issues |
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IMDG Transport Code is usually 9 | |||
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Health: H317 Environment: H400, H410 |
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Xn - Harmful: R21/22 | |||
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S22, S24/25 | |||
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II (Moderately hazardous) | |||
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Usually 3077 | |||
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Packaging Group III (minor danger) |
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quizalofop-ethyl | ||
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quizalofop-ethyl | ||
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Quizalofop-ethyl | ||
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quizalofop-ethyl | ||
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quizalofop-etile | ||
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quizalofop-etil | ||
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kwizalofop etylowy | ||
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quinzalofop-etil | ||
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Record last updated: | 08/03/2021 |
Contact: | aeru@herts.ac.uk |
Please cite as: | Lewis, K.A., Tzilivakis, J., Warner, D. and Green, A. (2016) An international database for pesticide risk assessments and management. Human and Ecological Risk Assessment: An International Journal, 22(4), 1050-1064. DOI: 10.1080/10807039.2015.1133242 |