Butafenacil (Ref: CGA 276854) |
![]() Last updated: 02/01/2021 |
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(Not known by any other names) |
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Used to control annual and perennial broad-leaved weeds in fruit and other crops | |
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Annual ryegrass; Capeweed; Clover; Sowthistle; Field beans; Poppies; Prickly lettuce; Wild radish; Rocket; Paradoxa grass; Fathen; Bermudagrass | |
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Cotton; Fruit including apples, pears, citrus, plums, apricots, cherries, grapes; Garlic & onions; Non-cropped land; Cereals incuding wheat | |
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Current | |
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circa 2000 |
UK regulatory status |
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Not approved | ||
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Not applicable | ||
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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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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Not applicable | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Australia; Argentina; Brazil; Japan; Thailand |
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Chemical structure |
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C₂₀H₁₈ClF₃N₂O₆ | |
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CC(C)(C(=O)OCC=C)OC(=O)C1=C(C=CC(=C1)N2C(=O)C=C(N(C2=O)C)C(F)(F)F)Cl | |
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No data | |
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JEDYYFXHPAIBGR-UHFFFAOYSA-N | |
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InChI=1S/C20H18ClF3N2O6/c1-5-8-31-17(29)19(2,3)32-16(28)12-9-11(6-7-13(12)21)26-15(27)10-14(20(22,23)24)25(4)18(26)30/h5-7,9-10H,1,8H2,2-4H3 | |
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Yes |
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Common Name | Relationship | Link |
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butafenacil | - | ![]() |
General status |
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Herbicide | |
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Uracil | |
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Synthetic | |
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Inhibitor of protoporphyrinogen oxidase (PPO), non-selective, contact action absorbed by foliage. | |
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134605-64-4 | |
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None allocated | |
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122004 | |
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11826859 | |
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474.81 | |
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2-methyl-1-oxo-1-(prop-2-en-1-yloxy)propan-2-yl 2-chloro-5-[3-methyl-2,6-dioxo-4-(trifluoromethyl)-3,6-dihydropyrimidin-1(2H)-yl]benzoate | |
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1-(allyloxycarbonyl)-1-methylethyl 2-chloro-5-[1,2,3,6-tetrahydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)pyrimidin-1-yl]benzoate | |
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1,1-dimethyl-2-oxo-2-(2-propenyloxy)ethyl 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1(2H)-pyrimidinyl]benzoate | |
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E | |
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14 | |
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Not applicable | |
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Not applicable | |
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- | |
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Fine white to grey powder | |
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Formulations |
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Usually supplied as water dispersible granules |
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10.0 | P4 P = Other governments and regulators 4 = Verified data |
Low | ||||||||
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113 | P4 P = Other governments and regulators 4 = Verified data |
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270 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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293 | P4 P = Other governments and regulators 4 = Verified data |
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Not expected to self ignite; Not highly flammable | P3 P = Other governments and regulators 3 = Unverified data of known source |
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1.58 X 1003 | Calculated | - | |||||||
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3.2 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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1.37 | P4 P = Other governments and regulators 4 = Verified data |
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7.4 X 10-06 | P4 P = Other governments and regulators 4 = Verified data |
Low volatility | ||||||||
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3.5 X 10-07 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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1.5 | P4 P = Other governments and regulators 4 = Verified data |
Non-persistent | |||||||
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Australian registration dossier states DT₅₀ 0.2-2.2 days aerobic soils, slower in water logged, anaerobic soils | ||||||||||
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28 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Slow | |||||||
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98 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately persistent | |||||||
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27 | P3 P = Other governments and regulators 3 = Unverified data of known source |
Fast | ||||||||
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Slow, DT50 25-30 days | P3 P = Other governments and regulators 3 = Unverified data of known source |
Slow, DT50 25-30 days |
Soil adsorption and mobility |
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- | P4 P = Other governments and regulators 4 = Verified data |
Moderately mobile | |||||||
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365 | ||||||||||
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Literature values for Koc range 149-581 mL g⁻¹ in four soils | ||||||||||
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Fate indices |
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0.25 | Calculated | Low leachability | ||||||||||||||||||||||||||
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5.84 X 10-04 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - |
Key metabolites |
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Soil | - | Not assessed under 91/414 or 1107/2009 | |||||
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Soil | 0.780 | Not assessed under 91/414 or 1107/2009 |
Other known metabolites |
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- | CGA 293731 | Soil (Aerobic) | - | - | |||||
- | CGA 293730 | Soil (Aerobic) | - | - | |||||
- | CGA 380963 | Soil (Aerobic) | - | - | |||||
- Note: Very persistent |
CGA 98166 | Water | - | - |
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> 5000 | P4 P = Other governments and regulators Rat4 = Verified data |
Low | ||||||||
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> 2250 | P4 P = Other governments and regulators Colinus virginianus4 = Verified data |
Low | ||||||||
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3.9 | P4 P = Other governments and regulators Oncorhynchus mykiss4 = Verified data |
Moderate | ||||||||
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0.011 | P3 P = Other governments and regulators Oncorhynchus mykiss survival3 = Unverified data of known source |
Moderate | ||||||||
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8.6 | P4 P = Other governments and regulators Daphnia magna4 = Verified data |
Moderate | ||||||||
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> 0.009 | P3 P = Other governments and regulators Daphnia magna growth3 = Unverified data of known source |
High | ||||||||
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0.0025 | P4 P = Other governments and regulators Scenedemus subspicatus4 = Verified data |
High | ||||||||
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20 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | |||||||
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1250 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 5000 | P4 P = Other governments and regulators Rat4 = Verified data |
Low | ||||||||
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2000 | P4 P = Other governments and regulators Rat4 = Verified data |
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> 5.1 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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List II | - | - | ||||||||
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Health issues |
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Possible liver toxicant |
Handling issues |
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Not oxidising or explosive IMDG Transport code 9 |
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Health: H373 Environment: H400, H410 |
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None allocated at this time | |||
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III (Slightly hazardous) | |||
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3077 | |||
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Packaging Group III (minor danger) |
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butafenacil | ||
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butafenacilo | ||
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butafenacyl | ||
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Record last updated: | 02/01/2021 |
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 |