1,2,4-triazole (Ref: CGA 71019) |
Last updated: 22/08/2024 |
(Also known as: 1H-1,2,4-triazole; BF 480-16; RH 0118; 1,2,4-T; AE C500859) |
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 that shos some pesticidal activity | |
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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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C₂H₃N₃ | |
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C1=NC=NN1 | |
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No data | |
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NSPMIYGKQJPBQR-UHFFFAOYSA-N | |
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InChI=1S/C2H3N3/c1-3-2-5-4-1/h1-2H,(H,3,4,5) | |
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Yes |
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Common Name | Relationship | Link |
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1,2,4-triazole | - |
General status |
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Metabolite | |
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Soil, Groundwater, Surface water, Sediment, Plant, Animal | |
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Triazole substance | |
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N/a | |
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Not applicable | |
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Synthetic | |
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Not applicable | |
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288-88-0 | |
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206-022-9 | |
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- | |
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Not applicable | |
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- | |
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69.03 | |
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- | |
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1H-1,2,4-triazole | |
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1,2,4-triazole | |
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- | |
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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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- | |
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Can be a metabolite of: |
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triadimenol | Soil | 1.00 | Major fraction | |||||
myclobutanil hydrochloride | Soil | - | Major fraction | |||||
tebuconazole | Soil | 0.09 | Minor fraction | |||||
epoxiconazole | Soil | 0.066 | Minor fraction | |||||
fenbuconazole | Soil | 0.124 | Major fraction | |||||
fluquinconazole | Soil | 0.681 | Major fraction | |||||
mefentrifluconazole | Soil | 0.051 | Minor fraction | |||||
difenoconazole | Soil | 0.23 | Major fraction | |||||
bitertanol | Soil | 0.440 | Major fraction | |||||
metconazole | Soil | 0.091 | Minor fraction | |||||
ipconazole | Soil | 0.237 | Major fraction | |||||
cyproconazole | Soil | 0.170 | Major fraction | |||||
penconazole | Soil | 0.386 | Major fraction | |||||
penconazole | Groundwater | - | Relevancy unknown | |||||
hexaconazole | Soil | - | - | |||||
amitrole | Soil | - | Major fraction | |||||
amitrole | Groundwater | - | Relevant | |||||
paclobutrazol | Soil | 0.03 | Minor fraction | |||||
myclobutanil | Soil | - | Minor fraction | |||||
tebuconazole | Groundwater | - | Relevant | |||||
propiconazole | Soil | 0.430 | Major fraction |
Formulations |
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730000 | 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 |
High | ||||||||
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- | - | - | ||||||||
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121 | Q2 Q = Miscellaneous data from online sources 2 = Unverified data of unknown source |
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- | - | - | ||||||||
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1.00 X 10-01 | Calculated | - | |||||||
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-1.0 | 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 |
Low | ||||||||
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Likely to be soluble | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Based on chemical group | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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2.2 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Strong acid | |||||||||||
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0.00022 | 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 |
Low volatility | ||||||||
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0.155 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) 3 = Unverified data of known source |
Moderately volatile | ||||||||
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Degradation |
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Not readily biodegradable | ||||||||||
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10 | 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 |
Non-persistent | |||||||
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8.2 | 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 ) 5 = Verified data used for regulatory purposes |
Non-persistent | ||||||||
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31 | 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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EU dossiers of the various parents give Lab values DT₅₀ range 5.0-9.9 days, DT₉₀ range 21-41 days; Focus studies DT₅₀ 7.0-13.3 days | ||||||||||
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Stable | 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 ) 3 = Unverified data of known source |
Stable | |||||||
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Stable | 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 |
Stable | |||||||
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Stable pH 5 to pH 9, 25 °C | ||||||||||
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300 | 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 |
Slow | ||||||||
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300 | 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 |
Stable | ||||||||
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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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0.719 | 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 |
Moderately mobile | |||||||
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112 | ||||||||||
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0.91 | ||||||||||
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EU dossier kf range 0.234-0.833, kfoc range 43-202 mL g⁻¹, 1/n range 0.827-1.016, Soils=5 | ||||||||||
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No |
Fate indices |
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1.78 | Calculated | Low leachability | ||||||||||||||||||||||||||
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2.02 X 10-02 | Calculated | - | |||||||||||||||||||||||||
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Low | Calculated | - | ||||||||||||||||||||||||||
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Moderately mobile | Calculated | - | ||||||||||||||||||||||||||
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2568 | 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 ) Calculated using the Atkinson method. Assumed 1.5E+06 OH/cm³, 12 hr5 = Verified data used for regulatory purposes |
Substance of concern for long-range air transport | ||||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 1650 | 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 |
Moderate | ||||||||
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316 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) Phasianidae3 = Unverified data of known source |
Moderate | ||||||||
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> 1000 | 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 |
Low | ||||||||
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0.071 | 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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Nitrogen mineralisation: No significant adverse effect Carbon mineralisation: No significant adverse effect |
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 Dose: 0.353 mg kg⁻¹ soil 28 Day |
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1.8 | 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 ) Folsomia candida4 = Verified data |
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Aquatic ecotoxicology |
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498 | 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 |
Low | ||||||||
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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 ) Oncorhynchus mykiss5 = Verified data used for regulatory purposes |
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 ) Daphnia magna5 = Verified data used for regulatory purposes |
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 ) Chironomus riparius Dry sediment5 = Verified data used for regulatory purposes |
High | ||||||||
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22.5 | 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 |
Low | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 1650 | 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 |
Moderate | ||||||||
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0.023 | 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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0.1 | 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 ) 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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Health: H302, H319, H361d | |||
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Not listed (Not listed) | |||
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1,2,4-triazole | ||
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1,2,4-triazol | ||
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Record last updated: | 22/08/2024 |
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 |