Phenothrin (Ref: OMS 1809) |
Last updated: 22/08/2024 |
(Also known as: ENT 27972; phenoxythrin; cyfenothrin; phenothrine; delta-(cis-trans)-phenothrin; R-phenothrin) |
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A synthetic pyrethroid insecticide for parasite control | |
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Current | |
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1976, registered Japan | |
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Used to eradicate adult ticks, lice, mites and fleas | |
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Dogs; Cats |
Approval status |
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Not approved | |
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Not approved |
Chemical structure |
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Phenothrin is a molecule with two chiral centres. The technical material is an isomeric mixture of four isomers (1R- cis, 1R- trans, 1S- cis, 1S- trans) | |
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C₂₃H₂₆O₃ | |
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CC(=CC1C(C1(C)C)C(=O)OCC2=CC(=CC=C2)OC3=CC=CC=C3)C | |
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- | |
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SBNFWQZLDJGRLK-UHFFFAOYSA-N | |
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InChI=1S/C23H26O3/c1-16(2)13-20-21(23(20,3)4)22(24)25-15-17-9-8-12-19(14-17)26-18-10-6-5-7-11-18/h5-14,20-21H,15H2,1-4H3 | |
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Yes |
General status |
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Ectoparasiticide | |
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Pyrethroid insecticide; Pyrethroid ester insecticide | |
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- | |
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- | |
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Synthetic | |
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Non-systemic with rapid contact and stomach action. Sodium channel modulator. Blocks nerve impulse transmission. | |
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[Voltage-dependent sodium channel, Blocker] | |
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26002-80-2 | |
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188023-86-1 | |
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247-404-5 | |
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356 | |
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069005 | |
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4767 | |
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No data found | |
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Antiparasitic products, insecticides & repellents: Pyrethrins & pyrethroids | |
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QP53AC03 | |
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No | |
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- | |
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350.46 | |
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(3-phenoxyphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate | |
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(3-phenoxyphenyl)methyl 2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate | |
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(3-phenoxyphenyl)methyl 2,2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate | |
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Marine Pollutant | |
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- | |
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Yellow to brown coloured liquid with a faint characteristic odour | |
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Formulations |
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0.0097 | L3 L = Pesticide manuals and hard copy reference books / other sources at 25 °C3 = Unverified data of known source |
Low | ||||||||
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5000 | Q3 Q = Miscellaneous data from online sources Xylene3 = Unverified data of known source |
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5000 | Q3 Q = Miscellaneous data from online sources Acetone3 = Unverified data of known source |
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4960 | Q3 Q = Miscellaneous data from online sources Hexane3 = Unverified data of known source |
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290 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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107 | L3 L = Pesticide manuals and hard copy reference books / other sources (closed cup)3 = Unverified data of known source |
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1.02 X 1006 | Calculated | - | |||||||
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6.01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
High | ||||||||
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Soluble | 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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Regulatory data - observed in metabolism and farm animal feeding studies | 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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1.06 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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0.021 | R4 R = Peer reviewed scientific publications at 25°C4 = Verified data |
Low volatility | ||||||||
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6.75 X 10-01 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Moderately volatile | ||||||||
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1.548 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Degradation |
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35 | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
Moderately persistent | |||||||
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Best available literature data gives soil half life between 14 and 60 days | ||||||||||
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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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- | G3 G = Extension Toxicology network database EXTOXNET. Available online but no longer updated. (click here ) 3 = Unverified data of known source |
Non-mobile | |||||||
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180000 | ||||||||||
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Fate indices |
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-1.94 | Calculated | Low leachability | ||||||||||||||||||||||||||
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730 | J4 J = Pesticide Action Network database (click here ) Cyprinidae4 = Verified data |
Threshold for concern | |||||||||||||||||||||||||
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Not available | - |
Known metabolites |
None
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Terrestrial ecotoxicology |
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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> 2500 | L3 L = Pesticide manuals and hard copy reference books / other sources Colinus virginianus3 = Unverified data of known source |
Low | ||||||||
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0.13 | K3 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here ) Apis mellifera3 = Unverified data of known source |
High | |||||||
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0.16 | K3 K = Research datasets (e.g. Pandora, Demetra; these datasets no longer available). Norman Ecotoxicology database. (click here ) Apis mellifera3 = Unverified data of known source |
High | ||||||||
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Aquatic ecotoxicology |
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> 0.0027 | L3 L = Pesticide manuals and hard copy reference books / other sources Oncorhynchus mykiss3 = Unverified data of known source |
High | ||||||||
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> 0.0043 | L3 L = Pesticide manuals and hard copy reference books / other sources Daphnia magna3 = Unverified data of known source |
High | ||||||||
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> 0.00002 | F3 F = U.S. EPA ECOTOX database / U.S. EPA pesticide fate database / Miscellaneous WHO documents / FAO data, IPCS INCHEM data (US EPA Databases Related to Pesticide Risk Assessment ) Americamysis bahia3 = Unverified data of known source |
High | ||||||||
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General |
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High (class III) | - | - | ||||||||
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> 5000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
Low | ||||||||
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2000 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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2.1 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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0.07 | 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 |
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Excreted mainly as metabolites in urine but a proportion is excreted unchanged in faeces | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Health issues |
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The substance can be absorbed into the body by inhalation of its aerosol and by ingestion May cause dizziness, headaches, fatigue and diarrhoea Endocrine issues - Increase of estrogen-sensitive cells proliferation Possible liver toxicant One reported study suggests links with breast cancer |
Handling issues |
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Prevent generation of mists Non-corrosive Will generate acrid smoke and gases if heated to decomposition Combustable IMDG Transport Hazard Class 6.1 |
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Health: H302, H312, H332 Environment: H400, H410 |
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U (Unlikely to present an acute hazard) | |||
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UN3352 | |||
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phenothrin | ||
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phenothrine | ||
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Phenothrin | ||
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phenothrin | ||
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fenotrin | ||
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fenotrina | ||
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- | ||
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fenotryna | ||
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- | ||
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- | ||
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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 |