Thiazopyr (Ref: MON 13200) |
![]() Last updated: 02/07/2019 |
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(Also known as: RH 123652) |
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A pre-emergence herbicide for annual grasses and some broad-leaved weeds | |
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Barnyardgrass; Nutsedge; Canarygrass; Groundsel; Foxtail; Junglerice; Ragweed; London rocket; Shepherd's purse; Wild mustard | |
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Maize; Peanuts; Soybeans; Alfalfa | |
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Current | |
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1997, USA |
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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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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Australia |
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Chemical structure |
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C₁₆H₁₇F₅N₂O₂S | |
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CC(C)CC1=C(C(=NC(=C1C(=O)OC)C(F)F)C(F)(F)F)C2=NCCS2 | |
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No data | |
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YIJZJEYQBAAWRJ-UHFFFAOYSA-N | |
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InChI=1S/C16H17F5N2O2S/c1-7(2)6-8-9(15(24)25-3)11(13(17)18)23-12(16(19,20)21)10(8)14-22-4-5-26-14/h7,13H,4-6H2,1-3H3 | |
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Yes |
General status |
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Herbicide | |
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Pyridine | |
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Synthetic | |
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Inhibits cell division. Microtubule assembly inhibition. | |
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117718-60-2 | |
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- | |
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8330 | |
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129100 | |
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91776 | |
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396.38 | |
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methyl 2-(difluoromethyl)-5-(4,5-dihydro-1,3-thiazol-2-yl)-4-(2-methylpropyl)-6-(trifluoromethyl)pyridine-3-carboxylate | |
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methyl 2-difluoromethyl-5-(4,5-dihydro-1,3-thiazol-2-yl)-4-isobutyl-6-trifluoromethylnicotinate | |
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methyl 2-(difluoromethyl)-5-(4,5-dihydro-2-thiazolyl)-4-(2-methylpropyl)-6-(trifluoromethyl)-3-pyridinecarboxylate | |
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- | |
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- | |
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K1 | |
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3 | |
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Not applicable | |
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Not applicable | |
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Light tan crystalline solid | |
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Formulations |
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2.29 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Low | ||||||||
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287000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Methanol4 = Verified data |
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30600 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Hexane4 = Verified data |
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77.3 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
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7.76 X 1003 | Calculated | - | |||||||
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3.89 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
High | ||||||||
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1.37 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
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0.27 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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4.75 X 10-02 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
Non-volatile | ||||||||
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Degradation |
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64 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately persistent | |||||||
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85 | 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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274 | 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 |
Persistent | ||||||||
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Best available data, US EPA gives field DT₅₀ of 111-437 days | ||||||||||
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7.8 | 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 fast | |||||||
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Data for pH5 | ||||||||||
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Stable | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Stable | |||||||
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Stable at all relevant pH's | ||||||||||
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Soil adsorption and mobility |
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- | 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 mobile | |||||||
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400 | ||||||||||
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Best available data | ||||||||||
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Fate indices |
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3.41 | Calculated | High leachability | ||||||||||||||||||||||||||
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5.93 X 10-01 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - |
Other known metabolites |
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2-(difluoromethyl)-5-(4,5-dihydro-2-thiazolyl)-4-(2-methyl-propyl)-6-(trifluorom ethyl)-3-pyridinecarboxylic acid | - | Soil (Aerobic) | - | - | |||||
5-cyano-2-(difluoromethyl)-4-(2-methylpropyl)-6-(trifluoro-methyl)-3-pyridinecar boxylic acid | - | Soil (Aerobic) | - | - | |||||
5-(aminocarbonyl)-2-(difluoromethyl)-4-(2-methyl propyl)-6-(trifluoromethyl)-3-pyridinecarboxylic acid | - | Soil (Aerobic) | - | - | |||||
methyl 5-cyano-2-(difluoromethyl)-4-(2-methyl propyl)-6-(trifuloromethyl)-3-pyridinecarboxylate | - | Soil (Aerobic) | - | - |
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> 5000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
Low | ||||||||
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0.36 | L2 L = Pesticide manuals and hard copy reference books / other sources Rat 2 year2 = Unverified data of unknown source |
High | |||||||
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1814 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Colinus virginianus4 = Verified data |
Moderate | ||||||||
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3.4 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Oncorhynchus mykiss4 = Verified data |
Moderate | ||||||||
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0.092 | L3 L = Pesticide manuals and hard copy reference books / other sources Pimephales promelas3 = Unverified data of known source |
Moderate | ||||||||
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6.1 | J4 J = Pesticide Action Network database (click here ) Daphnia magna4 = Verified data |
Moderate | ||||||||
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0.11 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Daphnia magna4 = Verified data |
Moderate | ||||||||
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1.5 | 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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0.035 | L3 L = Pesticide manuals and hard copy reference books / other sources Lemna gibba3 = Unverified data of known source |
Moderate | ||||||||
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0.04 | L3 L = Pesticide manuals and hard copy reference books / other sources Raphidocelis subcapitata3 = Unverified data of known source |
Moderate | ||||||||
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=> 100 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) 4 = Verified data |
Moderate | ||||||||
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1000 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 5000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
Low | ||||||||
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5000 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
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> 1.2 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Rat4 = Verified data |
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List II | - | - | ||||||||
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Health issues |
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Kidney, liver, thyroid and blood toxicant USEPA - some evidence to suggest possible human carcinogen |
Handling issues |
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No information available | |||
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Not classified: Obsolete | |||
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Xi - Irritant; R36/37/38 N - Dangerous for the environment: R50 |
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NL (Not listed) | |||
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thiazopyr | ||
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thiazopyr | ||
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Thiazopyr | ||
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thiazopyr | ||
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tiazopir | ||
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tiazopir | ||
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tiazopyr | ||
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Record last updated: | 02/07/2019 |
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 |