Iodosulfuron |
![]() Last updated: 04/06/2019 |
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(Not known by any other names) |
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A post-emergence herbicide used to control weeds in cereals and other crops that is normally used as the methyl-sodium variant. | |
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Grass, Broad-leaved weeds | |
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Cereals including corn, Turf, Soybean | |
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Current | |
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2000 |
UK regulatory status |
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Approved | ||
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31/03/2032 | ||
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Buffer probably required in UK - see product label |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Sweden/Finland | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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31/03/2032 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Chemical structure |
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C₁₃H₁₂IN₅O₆S | |
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CC1=NC(=NC(=N1)OC)NC(=O)NS(=O)(=O)C2=C(C=CC(=C2)I)C(=O)O | |
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No data | |
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MBFHUWCOCCICOK-UHFFFAOYSA-N | |
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InChI=1S/C13H12IN5O6S/c1-6-15-11(18-13(16-6)25-2)17-12(22)19-26(23,24)9-5-7(14)3-4-8(9)10(20)21/h3-5H,1-2H3,(H,20,21)(H2,15,16,17,18,19,22)/f/h17,19-20H | |
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Yes |
General status |
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Herbicide | |
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Sulfonylurea | |
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Synthetic | |
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Selective to cereals. Inhibits plant amino acid synthesis - acetohydroxyacid synthase AHAS | |
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185119-76-0 | |
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634 | |
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11027582 | |
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493.23 | |
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4-iodo-2-{[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoyl]sulfamoyl}benzoic acid | |
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4-iodo-2-[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)carbamoylsulfamoyl]benzoic acid | |
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4-iodo-2-[[[[(4-methoxy-6-methyl-1,3,5-triazin-2-yl)amino]carbonyl]amino]sulfonyl]benzoic acid | |
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B | |
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2 | |
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Not applicable | |
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Not applicable | |
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Formulations |
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Formulations normally use the methyl-sodium variant. |
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25000 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
High | ||||||||
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3.98 X 1001 | Calculated | - | |||||||
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1.6 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
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Degradation |
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6 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Non-persistent | |||||||
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Literature values for the acid given as 1-20 days, 1-22 days for the methyl sodium variant | ||||||||||
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Soil adsorption and mobility |
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- | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Mobile | |||||||
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50 | ||||||||||
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Liertaure values for the acid in the region of 50 mg kg⁻¹, up to 150 mg kg⁻¹ for the methyl sodium variant | ||||||||||
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Fate indices |
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1.79 | Calculated | Low leachability | ||||||||||||||||||||||||||
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5.12 X 10-03 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Mobile | Calculated | - |
Key metabolites |
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Soil | 0.409 | Major fraction; Relevany unknown | |||||
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Soil | 0.137 | Major fraction; Relevany unknown | |||||
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Soil | 0.885 | Major fraction; Relevany unknown |
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> 2500 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
Low | ||||||||
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> 2000 | A3 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 virginianus as methyl-sodium variant3 = Unverified data of known source |
Low | ||||||||
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> 100 | A4 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 ) Lepomis macrochirus as methyl-sodium variant4 = Verified data |
Low | ||||||||
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> 100 | A4 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 ) Daphnia magna as methyl-sodium variant4 = Verified data |
Low | ||||||||
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> 150 | A4 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 ) Apis mellifera as methyl-sodium variant4 = Verified data |
Low | |||||||
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> 80 | A4 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 ) Apis mellifera as methyl-sodium variant4 = Verified data |
Moderate | ||||||||
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> 100 | 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 ) Bombus terrestris5 = Verified data used for regulatory purposes |
Low | |||||||
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> 1000 | A3 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 ) Eisenia foetida as methyl-sodium variant3 = Unverified data of known source |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 2500 | Q3 Q = Miscellaneous internet resources Rat3 = Unverified data of known source |
Low | ||||||||
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0.03 | 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 ) 5 = Verified data used for regulatory purposes |
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Not allocated | 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 ) 5 = Verified data used for regulatory purposes |
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0.05 | 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 ) 5 = Verified data used for regulatory purposes |
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Health issues |
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No further information available |
Handling issues |
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No information available | |||
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Environment: H400, H410 | |||
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N - Dangerous for the environment: R50, R53 | |||
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S60, S61 | |||
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NL (Not listed) | |||
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|
iodosulfuron | ||
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iodosulfuron | ||
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Iodosulfuron | ||
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iodosulfuron | ||
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iodosulfuron | ||
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iodosulfuron | ||
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jodosulfuron | ||
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jodsulfuron | ||
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jodosulphuron | ||
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joodsulfuron |
Record last updated: | 04/06/2019 |
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 |