3,5,6-trichloro-2-pyridinol |
Last updated: 25/08/2024 |
(Also known as: TCP; pyridinol; trichloropyridinol) |
SUMMARY |
Data alerts |
The following alerts are based on the data in the tables below. An absence of an alert does not imply the substance has no implications for human health, biodiversity or the environment but just that we do not have the data to form a judgement.
Environmental fate | Ecotoxicity | Human health |
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Warning: Significant data are missing |
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Chemical transformation product | |
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Not applicable | |
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Not applicable |
UK regulatory status |
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Not applicable | ||
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Not applicable | ||
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Not applicable |
EC Regulation 1107/2009 (repealing 91/414) |
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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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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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Chemical structure |
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C₅H₂Cl₃NO | |
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C1=C(C(=O)NC(=C1Cl)Cl)Cl | |
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No data | |
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WCYYAQFQZQEUEN-UHFFFAOYSA-N | |
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InChI=1S/C5H2Cl3NO/c6-2-1-3(7)5(10)9-4(2)8/h1H,(H,9,10) | |
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Yes |
General status |
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Metabolite | |
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Soil, Rat, Plant, Surface water, Sediment, Air | |
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Unclassified substance | |
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- | |
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- | |
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Synthetic | |
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Not applicable | |
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6515-38-4 | |
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229-405-2 | |
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- | |
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206900 | |
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- | |
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198.43 | |
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3,5,6-trichloro-2(1H)-pyridinone | |
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3,5,6-trichloro-2-pyridinol | |
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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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- | |
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Can be a metabolite of: |
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chlorpyrifos-methyl | Soil | 0.879 | Major fraction | |||||
triclopyr | Soil | 0.331 | Major fraction | |||||
chlorpyrifos | Soil | 0.602 | Major fraction |
Formulations |
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80.9 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) at 25 °C3 = Unverified data of known source |
Moderate | ||||||||
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1.62 X 1003 | Calculated | - | |||||||
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3.21 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) at 25 °C3 = Unverified data of known source |
High | ||||||||
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1.67 | Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
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137.32 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) at 25 °C3 = Unverified data of known source |
Highly volatile. If applied directly to plants or soil, drift is a concern & mitigation is advisable | ||||||||
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1.10 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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226 | 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 |
Persistent | |||||||
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226 | 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 |
Persistent | ||||||||
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75.3 | 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 |
Moderately persistent | ||||||||
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288 | 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 |
Persistent | ||||||||
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250 | 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 ) 4 = Verified data |
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166.1 | 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 ) worst case field study5 = Verified data used for regulatory purposes |
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EU 2017 dossier lab studies DT₅₀ range 7.2 - >1000 days, DT₉₀ range 28.4 - >1000 days; Field studies range 15.59-166.1 days, DT₉₀ range 51.8-552 days, Soils=3 | ||||||||||
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19.8 | 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 |
Fast | ||||||||
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23 | 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 |
Slow | ||||||||
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As this parameter is not normally measured directly, a surrogate measure is used: ‘Photochemical oxidative DT₅₀’. Where data is available, this can be found in the Fate Indices section below. | ||||||||||
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Soil adsorption and mobility |
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- | 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 |
Moderately mobile | |||||||
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149 | ||||||||||
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EU dossier Koc range 77-242 mL g⁻¹ | ||||||||||
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2.01 | 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 |
Moderately mobile | |||||||
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84.5 | ||||||||||
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0.81 | ||||||||||
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EU 2017 dossier Kf range 0.6-6.4 mL g⁻¹, Kfoc range 14-194 mL g⁻¹, 1/n range 0.75-0.89, Soils=8 | ||||||||||
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None |
Fate indices |
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3.89 | Calculated | High leachability | ||||||||||||||||||||||||||
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1.04 X 1000 | Calculated | - | |||||||||||||||||||||||||
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Medium | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - | ||||||||||||||||||||||||||
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1452 | 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 ) Calculated using the Atkinson method4 = Verified data |
Substance of concern for long-range air transport | ||||||||||||||||||||||||||
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3.2 | 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 ) Whole Fish5 = Verified data used for regulatory purposes |
Low potential | |||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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3129 | 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 ) Rat5 = Verified data used for regulatory purposes |
Low | ||||||||
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> 2000 | 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 ) Anas platyrhynchos5 = Verified data used for regulatory purposes |
Low | ||||||||
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9.8 | 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 ) Eisenia foetida5 = Verified data used for regulatory purposes |
High | ||||||||
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4.6 | 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 ) Eisenia foetida5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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37.9 | 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 ) Apis mellifera5 = Verified data used for regulatory purposes |
Moderate | |||||||
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80.7 | 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 ) Apis mellifera5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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Aquatic ecotoxicology |
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> 12.6 | 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 ) Oncorhynchus mykiss5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.081 | 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 ) Oncorhynchus mykiss5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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10.4 | 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 ) Daphnia magna5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.029 | 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 ) Daphnia magna5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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8.75 | 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 ) Lemna gibba5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.61 | 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 ) Pseudokirchneriella subcapitata5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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3129 | 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 ) Rat5 = Verified data used for regulatory purposes |
Low | ||||||||
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2000 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) Rat3 = Unverified data of known source |
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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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Not listed (Not listed) | |||
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3,5,6-trichloro-2-pyridinol | ||
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3,5,6-trichloro-2-pirydynol | ||
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Record last updated: | 25/08/2024 |
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 |