8a-hydroxyavermectin B1a (Ref: NOA 448112) |
Last updated: 23/02/2024 |
(Not known by any other names) |
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Chemical transformation product | |
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Not applicable | |
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Not applicable | |
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Approval status |
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Chemical structure |
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Isomeric | |
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C₄₈H₇₂O₁₅ | |
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CCC(C)C1C(C=CC2(O1)CC3CC(O2)CC=C(C(C(C=CC=C4C(OC5C4(C(CC(C5O)C)C(=O)O3)O)O)C)OC6CC(C(C(O6)C)OC7CC(C(C(O7)C)O)OC)OC)C)C | |
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CC[C@H](C)[C@@H]1[C@H](C=C[C@@]2(O1)C[C@@H]3C[C@H](O2)C/C=C(/[C@H]([C@H](/C=C/C=C/4\C(OC5[C@@]4([C@@H](CC(C5O)C)C(=O)O3)O)O)C)OC6C[C@@H]([C@H]([C@@H](O6)C)OC7C[C@@H]([C@H]([C@@H](O7)C)O)OC)OC)\C)C | |
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QTRXVXOQSMGGHD-UTSCHBFWSA-N | |
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InChI=1S/C48H74O15/c1-11-24(2)42-27(5)17-18-47(63-42)23-32-20-31(62-47)16-15-26(4)41(59-38-22-36(55-10)43(30(8)57-38)60-37-21-35(54-9)40(50)29(7)56-37)25(3)13-12-14-33-45(51)61-44-39(49)28(6)19-34(46(52)58-32)48(33,44)53/h12-15,17-18,24-25,27-32,34-45,49-51,53H,11,16,19-23H2,1-10H3/b13-12+,26-15+,33-14+/t24-,25-,27-,28?,29-,30-,31+,32-,34-,35-,36-,37?,38?,39?,40-,41-,42+,43-,44?,45?,47+,48+/m0/s1 | |
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General status |
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Soil | |
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Unclassified substance | |
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Synthetic | |
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Not applicable | |
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889.09 | |
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(1'R,2R,3S,4'S,6S,8'R,10'E,12'S,13'S,14'E,16'Z,24'S)-2-[(2S)-butan-2-yl]-18',21',24'-trihydroxy-12'-[(4S,5S,6S)-5-[(4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-3,11',13',22'-tetramethylspiro[2,3-dihydropyran-6,6'-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16-triene]-2'-one | |
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(1'R,2R,3S,4'S,6S,8'R,10'E,12'S,13'S,14'E,16'Z,24'S)-2-[(2S)-butan-2-yl]-18',21',24'-trihydroxy-12'-[(4S,5S,6S)-5-[(4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-3,11',13',22'-tetramethylspiro[2,3-dihydropyran-6,6'-3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa-10,14,16-triene]-2'-one | |
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8a-hydroxyavermectin B1a | |
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Can be a metabolite of: |
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abamectin | Groundwater | - | - | |||||
abamectin | Soil | 0.220 | Major fraction |
Formulations |
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13.8 | 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 |
Low | ||||||||
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0.0037 | 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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Degradation |
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32.1 | 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 |
Moderately persistent | |||||||
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32.1 | 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 |
Moderately persistent | ||||||||
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136.3 | - | Persistent | ||||||||
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EU 2019 dossier lab studies DT₅₀ (normalised) range 16.9-81.7 days, DT₉₀ (measured) range 56.0-272 days, Soils=11 | ||||||||||
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45.0 | 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 fast | ||||||||
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26.9 | 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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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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41.0 | 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 |
Slightly mobile | |||||||
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1943 | ||||||||||
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0.871 | ||||||||||
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EU dossier Kf range 15.9-78.9 mL g⁻¹, Kfoc range 1098-3104 mL g⁻¹, 1/n range 0.796-0.961, Soils=3 | ||||||||||
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Fate indices |
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1.07 | Calculated | Low leachability | ||||||||||||||||||||||||||
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69 | 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 ) whole fish parent3 = Unverified data of known source |
Low potential | |||||||||||||||||||||||||
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Known metabolites |
None
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Terrestrial ecotoxicology |
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1.5 | R3 R = Peer reviewed scientific publications Rat3 = Unverified data of known source |
High | ||||||||
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> 100 | Q3 Q = Miscellaneous data from online sources Anas platyrhynchos3 = Unverified data of known source |
Moderate | ||||||||
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161 | 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 foetida corr5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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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: 0.66 mg kg⁻¹ 28 Day |
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Aquatic ecotoxicology |
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0.504 | 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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0.00052 | 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 |
High | ||||||||
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0.0016 | 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 |
High | ||||||||
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0.003 | Q3 Q = Miscellaneous data from online sources Chironomus riparius3 = Unverified data of known source |
High | ||||||||
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> 6.1 | 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 ) Pseudokirchneriella subcapitata5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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General |
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1.5 | R3 R = Peer reviewed scientific publications Rat3 = Unverified data of known source |
High | ||||||||
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Health issues |
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No further information available |
Handling issues |
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Not listed (Not listed) | |||
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8a-hydroxyavermectin B1a | ||
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Record last updated: | 23/02/2024 |
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 |