2,4,5-trichlorophenol |
![]() Last updated: 04/01/2021 |
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(Also known as: 2,4,5-T; 2,4,5-TCP; trichlorophenol; TCP) |
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Active substance and pesticide transformation product with fungicial and herbicidal action, used particularly for the control of broad-leaved weeds in grass | |
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Gorse; Brush weeds; Thistles | |
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Obsolete, banned | |
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circa 1945 |
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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Chemical structure |
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C₆H₃Cl₃O | |
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C1=C(C(=CC(=C1Cl)Cl)Cl)O | |
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No data | |
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LHJGJYXLEPZJPM-UHFFFAOYSA-N | |
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InChI=1S/C6H3Cl3O/c7-3-1-5(9)6(10)2-4(3)8/h1-2,10H | |
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Yes |
General status |
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Fungicide, Herbicide, Bactericide, Metabolite, Other substance | |
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Soil, Plant, Water, Groundwater | |
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Impurity | |
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Unclassified | |
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Synthetic | |
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Causes distorted growth that affects respiration and cell function | |
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95-95-4 | |
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202-467-8 | |
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6 | |
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064210 | |
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44147467 | |
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197.45 | |
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1-hydroxy-2,4,5-trichlorobenzene | |
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2,4,5-trichlorophenol | |
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POP; Chemical subject to PIC regulations | |
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Not known | |
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Not known | |
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Not applicable | |
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Not known | |
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Grey crystalline solid | |
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Can be a metabolite of: |
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2,3,6-TBA | Soil | - | - | |||||
2,4,5-trichlorophenoxyacetic acid | Water | - | - |
Formulations |
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1200 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) at 25 °C3 = Unverified data of known source |
High | ||||||||
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68 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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247 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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Not expected to self ignite; Not highly flammable | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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5.25 X 1003 | Calculated | - | |||||||
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3.72 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
High | ||||||||
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1.68 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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7.4 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
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Weak acid | |||||||||||
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0.0029 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Low volatility | ||||||||
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0.16 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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11.3 | R3 R = Peer reviewed scientific publications 3 = Unverified data of known source |
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Turfgrass, n=1 | ||||||||||
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Soil adsorption and mobility |
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- | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Slightly mobile | |||||||
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836 | ||||||||||
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Estimated | ||||||||||
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Fate indices |
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Cannot be calculated | - | - | |||||||||||||||||||||||||
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131 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Threshold for concern | |||||||
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Not available | - | |||||||||
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820 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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0.49 | 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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0.0625 | P3 P = Other governments and regulators Oncorhynchus mykiss growth3 = Unverified data of known source |
Moderate | ||||||||
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0.9 | 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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0.375 | P3 P = Other governments and regulators Daphnia magna3 = Unverified data of known source |
Moderate | ||||||||
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3.83 | 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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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 ) Pseudokirchneriella subcapitata4 = Verified data |
Moderate | ||||||||
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> 50 | Q3 Q = Miscellaneous internet resources 3 = Unverified data of known source |
Moderate | ||||||||
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46 | F4 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) Eisenia andrei4 = Verified data |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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820 | V3 V = ChemID online databases / IPCS INCHEM (ChemID; IPCS INCHEM ) Rat3 = Unverified data of known source |
Moderate | ||||||||
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0.03 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) JMPR 19813 = Unverified data of known source |
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0.1 | F5 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents (US EPA Databases Related to Pesticide Risk Assessment ) US EPA5 = Verified data used for regulatory purposes |
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Negligible risk to bystanders | |||||||||
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Exposure may occur via inhalation or skin absorption | ||||||||||
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Health issues |
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May be toxic to gastrointestinal tract, skin May cause hypotension, myocardial failure and pulmonary edema |
Handling issues |
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Corrosive | |||
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Xn - Harmful: R22 Xi - Irritant: R36/38 N - Dangerous for the environment: R50, R53 |
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O (Obsolete substance) | |||
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2020 | |||
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2,4,5-trichlorophenol | ||
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2,4,5-trichlorphenol | ||
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2,4,5-trichlorofenol | ||
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Record last updated: | 04/01/2021 |
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 |