Polynactins |
Last updated: 11/05/2024 |
(Also known as: tetranactin; trinactin; dinactin; mitocidin) |
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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A nactins mixture, purposely enriched in tetranactin and poor in nonactin, which is active against spider mites particulary in wet weather | |
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Spider mites including the carmine spider mite (Tetranychus cinnabarinus), European red spider mite (Panonychus ulmi) and the Two spotted spider mite (Tetranychus urticae) | |
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Current | |
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UK regulatory status |
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Not approved | ||
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Not applicable | ||
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No UK approval for use |
EC Regulation 1107/2009 (repealing 91/414) |
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Additional information |
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Chemical structure |
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C₄₄H₇₂O₁₂ / C₄₃H₇₀O₁₂ / C₄₂H₆₈₀₁₂ | |
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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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Natural | |
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Contact action. Appears to cause a breakdown of the insects membrane lipid layer assisted by wet conditions. | |
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A mixture of the secondary metabolites tetranactin, trinactin and dinactin of the bacterium Streptomyces aureus | |
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Manufactered by controlled fermentation | |
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Crop protection | |
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Spider mites including the carmine spider mite (Tetranychus cinnabarinus), European red spider mite (Panonychus ulmi) and the Two spotted spider mite (Tetranychus urticae) | |
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Top fruit | |
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39285-04-6 | |
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33596-61-5; 7561-71-9; 20261-85-2 | |
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793.1 | |
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polynactin | |
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[1R(1R,2R,5R,7R,10S,11S,14S,16S,19R,20R,23R,25R,28S,29S,32S,34S]-5,14,23,32-tetraethyl-2,11,20,29-tetramethyl-4,13,22,31,37,38,39,40-octaoxapentacyclo[32.2.1.1.1.1]tetracontane-3,12,21,30-tetrone | |
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Not applicable | |
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Not applicable | |
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Not known | |
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Not applicable | |
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Hygroscopic crystals | |
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Formulations |
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Mitedown | Eikou Kasei | ||||
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Usually supplied as emulsifiable concentrates and formulated inconjunction with other acaricides |
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20 | B3 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) 3 = Unverified data of known source |
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56000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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17000 | L3 L = Pesticide manuals and hard copy reference books / other sources Methanol3 = Unverified data of known source |
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387000 | L3 L = Pesticide manuals and hard copy reference books / other sources Benzene3 = Unverified data of known source |
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243000 | L3 L = Pesticide manuals and hard copy reference books / other sources Xylene3 = Unverified data of known source |
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112 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Degradation |
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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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Known metabolites |
None
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Terrestrial ecotoxicology |
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> 15000 | L3 L = Pesticide manuals and hard copy reference books / other sources Mouse3 = Unverified data of known source |
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> 50 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Aquatic ecotoxicology |
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0.003 | A2 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 ) Cyprinus carpio2 = Unverified data of unknown source |
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General |
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High (class III) | - | - | ||||||||
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> 15000 | L3 L = Pesticide manuals and hard copy reference books / other sources Mouse3 = Unverified data of known source |
Low | ||||||||
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10000 | L3 L = Pesticide manuals and hard copy reference books / other sources Mouse3 = Unverified data of known source |
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> 0.51 | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) Rat3 = Unverified data of known source |
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Subcutaneous LD₅₀ = 6700 mg kg⁻¹ | V3 V = ChemID Online Databases; Chemspider; PubChem. (ChemID ) Rat3 = Unverified data of known source |
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Intraperitoneal LD₅₀ > 100 mg kg⁻¹ | 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 adverse health issues identified |
Handling issues |
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No information available | |||
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Not listed (Not listed) | |||
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polynactins | ||
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Record last updated: | 11/05/2024 |
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 |