Clofencet (Ref: Mon 21250 ) |
![]() Last updated: 23/12/2020 |
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(Not known by any other names) |
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A plant growth regulator used mainly on cereal seed crops | |
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Growth | |
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Hybrid wheat seed crops; Soybeans | |
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Current | |
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1997 |
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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Expired | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Also used in |
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USA |
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Chemical structure |
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None | |
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C₁₃H₁₁ClN₂O₃ | |
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CCC1=C(C(=O)C=NN1C2=CC=C(C=C2)Cl)C(=O)O | |
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No data | |
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PIZCXVUFSNPNON-UHFFFAOYSA-N | |
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InChI=1S/C13H11ClN2O3/c1-2-10-12(13(18)19)11(17)7-15-16(10)9-5-3-8(14)4-6-9/h3-7H,2H2,1H3,(H,18,19) | |
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Yes |
General status |
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Plant growth regulator | |
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Carboxylic acid | |
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Synthetic | |
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Suppresses normal pollen development without affecting fertility | |
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129025-54-3 | |
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670 | |
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128726 | |
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123627 | |
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316.8 | |
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2-(4-chlorophenyl)-3-ethyl-5-oxo-2,5-dihydropyridazine-4-carboxylic acid | |
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2-(4-chlorophenyl)-3-ethyl-2,5-dihydro-5-oxopyridazine-4-carboxylic acid | |
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2-(4-chlorophenyl)-3-ethyl-2,5-dihydro-5-oxo-4-pyridazinecarboxylic acid | |
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- | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Not applicable | |
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Powder |
Formulations |
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700000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
High | ||||||||
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16000 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Methanol3 = Unverified data of known source |
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500 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Acetone3 = Unverified data of known source |
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400 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Dichlormethane3 = Unverified data of known source |
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500 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) Ethyl acetate3 = Unverified data of known source |
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269 | CA3 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 3 = Unverified data of known source |
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6.31 X 10-03 | Calculated | - | |||||||
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-2.2 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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1.44 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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2.83 | 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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Strong acid | |||||||||||
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1.00 X 10-02 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low volatility | ||||||||
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5.70 X 10-09 | L5 L = Pesticide manuals and hard copy reference books / other sources 5 = Verified data used for regulatory purposes |
Non-volatile | ||||||||
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Degradation |
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46 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately persistent | |||||||
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40 | H3 H = The US ARS pesticide properties database (click here ) 3 = Unverified data of known source |
Moderately persistent | ||||||||
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Persistent | CA2 CA = Medical and toxicological databases and information systems e.g. TOXNET (click here ) 2 = Unverified data of unknown source |
Persistent | |||||||
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DT₅₀ increases with pH | ||||||||||
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Stable | W4 W = French database provided by ARVALIS-Institut du Végétal 4 = Verified data |
Stable | |||||||
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Stable at pH 5, pH 7 and pH 9 | ||||||||||
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Soil adsorption and mobility |
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- | R4 R = Peer reviewed scientific publications 4 = Verified data |
Slightly mobile | |||||||
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2186 | ||||||||||
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Koc values range 11 to 4360 mL g⁻¹, Soils=18 | ||||||||||
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Fate indices |
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1.06 | Calculated | Low leachability | ||||||||||||||||||||||||||
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2.14 X 10-02 | Calculated | - | |||||||||||||||||||||||||
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High | Calculated | - | ||||||||||||||||||||||||||
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Slightly mobile | Calculated | - |
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Low risk | E3 E = Manufacturers safety data sheets Based on LogP < 33 = Unverified data of known source |
Low risk | |||||||
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3150 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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1414 | L3 L = Pesticide manuals and hard copy reference books / other sources Phasianidae3 = Unverified data of known source |
Moderate | ||||||||
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990 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
Low | ||||||||
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1193 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
Low | ||||||||
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6.1 | 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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141 | L3 L = Pesticide manuals and hard copy reference books / other sources Raphidocelis subcapitata3 = Unverified data of known source |
Low | ||||||||
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> 100 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Low | ||||||||
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> 1000 | 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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3150 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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0.06 | 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 of dust and dermal contact | ||||||||||
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Health issues |
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Highly toxic USEPA - possible human carcinogen |
Handling issues |
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No information available | |||
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Health: H319 Environment: H400, H410 |
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NL (Not listed) | |||
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clofencet | ||
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clofencet | ||
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Clofencet | ||
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clofencet | ||
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clofencet | ||
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clofencet | ||
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chlofencet | ||
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Record last updated: | 23/12/2020 |
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 |