Milbemycin A4 |
![]() Last updated: 30/06/2022 |
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(Not known by any other names) |
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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An active isomer of milbemectin with acaricidal activity and is used as an antibiotic drug. | |
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Spider mites; Tarsonemid mites; Leaf miners | |
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Soft fruit including Straweberry, blackberry, currants, raspberry, gooseberry; Apple, Pear, Cherry, Plum; Orange; Eggplants; Ornamentals | |
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Efficacy proven via field trials | |
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Current | |
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UK regulatory status |
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Approved | ||
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31/07/2024 | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Approved | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Germany/Netherlands | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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31/07/2023 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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No | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Yes | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Additional information |
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Chemical structure |
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Milbemectin is a complex molecule with 10 chiral features. Milbemycin A4 is one of the most biologically active isomers. | |
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C₃₂H₄₆O₇ | |
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CCC1C(CCC2(O1)CC3CC(O2)CC=C(CC(C=CC=C4COC5C4(C(C=C(C5O)C)C(=O)O3)O)C)C)C | |
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CCC1C(CC[C@@]2(O1)C[C@@H]3C[C@H](O2)C/C=C(/CC(/C=C/C=C/4\CO[C@H]5[C@@]4([C@@H](C=C([C@H]5O)C)C(=O)O3)O)C)\C)C | |
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VOZIAWLUULBIPN-DFYAAVTESA-N | |
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InChI=1S/C32H46O7/c1-6-27-21(4)12-13-31(39-27)17-25-16-24(38-31)11-10-20(3)14-19(2)8-7-9-23-18-36-29-28(33)22(5)15-26(30(34)37-25)32(23,29)35/h7-10,15,19,21,24-29,33,35H,6,11-14,16-18H2,1-5H3/b8-7+,20-10+,23-9+/t19?,21?,24-,25+,26+,27?,28-,29-,31-,32-/m1/s1 | |
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Yes |
General status |
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Insecticide, Acaricide | |
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Micro-organism derived substance | |
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950 g kg⁻¹ | |
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EU 2017 dossier: None declared | |
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Natural | |
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Not applicable | |
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51596-11-3 | |
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660 | |
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Not applicable | |
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542.7 | |
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(10E,14E,16E,22Z)-(1R,4S,5’S,6R,6’R,8R,13R,20R,21R,24S)-6-ethyl-21,24-dihydroxy-5’,11,13,22-tetramethyl-3,7,19-trioxatetracyclo[15.6.1. 14.8020,24]pentacosa-10,14,16,22-tetraene-6-spiro-2’-tetrahydropyran-2-one | |
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(6R,25R)-5-O-demethyl-28-deoxy-6,28-epoxy-25-ethylmilbemycin B | |
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- | |
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Not applicable | |
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Not applicable | |
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6 | |
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Not applicable | |
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- | |
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White crystalline solid |
Formulations |
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4.55 | 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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203000 | 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 ) Acetone for milbemectin5 = Verified data used for regulatory purposes |
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3450 | 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 ) n-Octanol for milbemectin5 = Verified data used for regulatory purposes |
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25900 | 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 ) o-Xylene for milbemectin5 = Verified data used for regulatory purposes |
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251000 | 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 ) Methanol5 = Verified data used for regulatory purposes |
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191 | 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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Boiling not observed | 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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1.00 X 1007 | Calculated | - | |||||||
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7.0 | 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 ) at 25 °C5 = Verified data used for regulatory purposes |
High | ||||||||
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1.2 | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
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Not applicable | 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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No dissociation | |||||||||||
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4.3 X 10-07 | 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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1.55 | 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 volatile | ||||||||
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Neutral pH: 238nm=31300, 244nm=34300, 252nm=22100 Acid pH: 238nm=26200, 244nm=28400, 252nm=18300 Basic pH: 238nm=28500, 244nm=31200, 252nm=20200 |
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 ) as milbemectin5 = Verified data used for regulatory purposes |
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49.4 | 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 ) 5 = Verified data used for regulatory purposes |
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Degradation |
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Not readily biodegradable | ||||||||||
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36.1 | 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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36.1 | 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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11.5 | 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 ) 5 = Verified data used for regulatory purposes |
Non-persistent | ||||||||
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143 | 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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EU 2017 dossier lab studies DT₅₀ range 20.3-81.8 days, DT₉₀ range 70.1-275 days, Soils =4; EU 2002 dossier field studies DT₅₀ range 10.0-12.9 days, soils =2 | ||||||||||
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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 |
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3.1days at pH5 | ||||||||||
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2.6 | 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 ) 5 = Verified data used for regulatory purposes |
Non-persistent | |||||||
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pH variable: 0.93days at pH5, 4.1days at pH9 | ||||||||||
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86 | 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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2.9 | 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 ) 5 = Verified data used for regulatory purposes |
Moderately fast |
Soil adsorption and mobility |
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- | Q2 Q = Miscellaneous internet resources 2 = Unverified data of unknown source |
Non-mobile | |||||||
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70636 | ||||||||||
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Estimated | ||||||||||
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60.6 | 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 ) 5 = Verified data used for regulatory purposes |
Slightly mobile | |||||||
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2817 | ||||||||||
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0.97 | ||||||||||
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EU 2017 dossier Kf range 12.2-138 g/Kg, Kfoc range 1370-4059 g/Kg, 1/n range 0.875-1.04, Soils =4 | ||||||||||
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None |
Known soil metabolites |
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Major fraction | 0.140 | - | |||||
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Major fraction | 0.118 | - |
Known groundwater metabolites |
None
Other known metabolites |
None
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Terrestrial ecotoxicology |
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456 | 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 ) Rat for milbemectin5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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347 | 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 platyrhynchos for milbemectin5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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1922 mg kg feed⁻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 ) Anas platyrhynchos for milbemectin5 = Verified data used for regulatory purposes |
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28.5 | 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 ) 5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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0.109 | 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 |
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: 0.1mg kg⁻¹ soil Milbemectin |
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0.025 | L3 L = Pesticide manuals and hard copy reference books / other sources Apis mellifera3 = Unverified data of known source |
High | |||||||
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0.026 | 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 |
High | ||||||||
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> 9.7 | 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 ) Bombus terrestris5 = Verified data used for regulatory purposes |
Moderate | |||||||
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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 ) Bombus terrestris5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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Aquatic ecotoxicology |
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0.044 | 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 ) Oncorhynchus mykiss for milbemectin4 = Verified data |
High | ||||||||
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0.00065 | 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 ) Oncorhynchus mykiss for milbemectin 88days4 = Verified data |
High | ||||||||
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0.011 | 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 magna for milbemectin5 = Verified data used for regulatory purposes |
High | ||||||||
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0.000012 | 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 magna for milbemectin5 = Verified data used for regulatory purposes |
High | ||||||||
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> 0.62 | P3 P = Other governments and regulators Lemna gibba IC503 = Unverified data of known source |
Moderate | ||||||||
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> 2.0 | 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 ) Selenastrum capricornutum or milbemectin5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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456 | 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 ) Rat for milbemectin5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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5000 | 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 ) Rat for milbemectin5 = Verified data used for regulatory purposes |
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1.9 | 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 ) Rat 4 hr (whole body) for milbemectin5 = Verified data used for regulatory purposes |
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0.007 | 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 ) Rat SF=1005 = Verified data used for regulatory purposes |
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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 ) Dog SF=1005 = Verified data used for regulatory purposes |
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0.014 | 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 ) Dog SF=1005 = Verified data used for regulatory purposes |
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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 |
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No acceptable risks identified | |||||||||
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No unacceptable risks identified when using PPE/PPC | ||||||||||
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Health issues |
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Possible liver, kidney, adrenals and uterus toxicant especially in vulnerable groups Possible CNS toxicant |
Handling issues |
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Not oxidising or explosive Not expected to autoignite; Not highly flammable |
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Health: H302, H332, H373, H351, H361d Environment: H400, H410 |
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NL (Not listed) | |||
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milbemycin A4 | ||
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Record last updated: | 30/06/2022 |
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 |