Cyhalothrin (Ref: OMS 2011) |
![]() Last updated: 04/01/2024 |
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(Also known as: PP 563; cyhalothrine) |
SUMMARY |
Cyhalothrin is a pyrethroid insecticide and acaricide. It has a low aqueous solubility and is not volatile. It may be environmentally persistent depending on local conditions. There is a low risk of cyhalothrin leaching to groundwater. It is highly toxic to fish and honeybees. Cyhalothrin has a moderate mammalian oral toxicity, an endocrine disrupter and an irritant. |
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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![]() Significant data are missing |
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An insecticide and acaricide used to control crops pests and animal ectoparasites | |
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Current | |
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circa 1982, Australia | |
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Approval status |
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Chemical structure |
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A chiral molecule that consists of a mixture of four stereoisomers. | |
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C₂₃H₁₉ClF₃NO₃ | |
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CC1(C(C1C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)C=C(C(F)(F)F)Cl)C | |
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CC1(C(C1C(=O)OC(C#N)C2=CC(=CC=C2)OC3=CC=CC=C3)/C=C(/C(F)(F)F)\Cl)C | |
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OOAOVGPMANECPJ-RWEUCVCFSA-N | |
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InChI=1S/4C23H19ClF3NO3/c4*1-22(2)17(12-19(24)23(25,26)27)20(22)21(29)31-18(13-28)14-7-6-10-16(11-14)30-15-8-4-3-5-9-15/h4*3-12,17-18,20H,1-2H3/b4*19-12-/t2*17-,18+,20-;2*17-,18-,20-/m1010/s1 | |
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Yes |
General status |
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Pyrethroid insecticide; Pyrethroid acaricide; Pyrethroid ester insecticide; Pyrethroid ester acaricide | |
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Synthetic | |
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Non-systemic with contact and stomach action. Some repellant properties. Sodium channel modulator. | |
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- | |
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68085-85-8 | |
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268-450-2 | |
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405 | |
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128867 | |
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5281873 | |
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No data found | |
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- | |
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No | |
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- | |
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449.85 | |
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rac-(E)-cyano(3-phenoxyphenyl)methyl (1R,3R)-3-[(1Z)-2-chloro-3,3,3-trifluoroprop-1-en-1-yl]-2,2-dimethylcyclopropane-1-carboxylate | |
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(RS)-α-cyano-3-phenoxybenzyl (1RS,3RS)-3-[(Z)-2-chloro-3,3,3-trifluoropropenyl]-2,2-dimethylcyclopropanecarboxylate | |
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cyano(3-phenoxyphenyl)methyl (1R,3R)-rel-3-((1Z)-2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-dimethylcyclopropanecarboxylate | |
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PAN Listed as Highly Hazardous Chemical; OSPAR soc; Chemical subject to PIC regulations | |
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Yellow-brown viscous oil | |
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Formulations |
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0.004 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) 5 = Verified data used for regulatory purposes |
Low | ||||||||
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500000 | L3 L = Pesticide manuals and hard copy reference books / other sources Acetone3 = Unverified data of known source |
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500000 | L3 L = Pesticide manuals and hard copy reference books / other sources Methanol3 = Unverified data of known source |
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500000 | L3 L = Pesticide manuals and hard copy reference books / other sources Toluene3 = Unverified data of known source |
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500000 | L3 L = Pesticide manuals and hard copy reference books / other sources Ethyl acetate3 = Unverified data of known source |
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Not applicable | Q3 Q = Miscellaneous data from online sources 3 = Unverified data of known source |
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Decomposes before boiling | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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275 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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204 | L3 L = Pesticide manuals and hard copy reference books / other sources (closed cup)3 = Unverified data of known source |
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6.31 X 1006 | Calculated | - | |||||||
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6.8 | B2 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) 2 = Unverified data of unknown 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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1.25 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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9 | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Hydrolysis prevents accurate determination | |||||||||||
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1.00 X 10-09 | 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 |
Low volatility | ||||||||
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1.80 X 10-02 | H4 H = The US ARS pesticide properties database. Dataset is no longer available. 4 = Verified data |
Non-volatile | ||||||||
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Degradation |
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57 | B4 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) 4 = Verified data |
Moderately persistent | |||||||
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57 | B4 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) 4 = Verified data |
Moderately persistent | ||||||||
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Lab studies DT₅₀ range 32-82 days | ||||||||||
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Stable | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
Stable | |||||||
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- | L3 L = Pesticide manuals and hard copy reference books / other sources 3 = Unverified data of known source |
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Hydrolysed slowly pH 7 to pH 9, faster at pH 9 | ||||||||||
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Soil adsorption and mobility |
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- | H3 H = The US ARS pesticide properties database. Dataset is no longer available. 3 = Unverified data of known source |
Non-mobile | |||||||
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180000 | ||||||||||
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Best available data | ||||||||||
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Fate indices |
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-2.20 | Calculated | Low leachability | ||||||||||||||||||||||||||
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1950 | Q3 Q = Miscellaneous data from online sources Whole fish3 = Unverified data of known source |
Threshold for concern | |||||||||||||||||||||||||
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Not available | - |
Known soil metabolites |
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Known groundwater metabolites |
None
Other known metabolites |
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3-phenoxybenzaldehyde | 3-PBAl | Plants | - | - |
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Terrestrial ecotoxicology |
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140 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Rat5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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2.4 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Rat5 = Verified data used for regulatory purposes |
High | |||||||
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20 | - | |||||||||
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5000 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Anas platyrhynchos5 = Verified data used for regulatory purposes |
Low | ||||||||
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> 1000 | R4 R = Peer reviewed scientific publications Eisenia foetida4 = Verified data |
Low | ||||||||
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0.027 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Apis mellifera5 = Verified data used for regulatory purposes |
High | ||||||||
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Aquatic ecotoxicology |
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0.00046 | B4 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Lepomis macrochirus4 = Verified data |
High | ||||||||
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0.38 | F4 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 ) Daphnia magna4 = Verified data |
Moderate | ||||||||
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General |
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High (class III) | - | - | ||||||||
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140 | B5 B = UK CRD and ACP Evaluation Documents / and other DEFRA (UK) documents; Also Chemicals Regulation Division, Health and Safety Executive (HSE), UK (click here ) Rat5 = Verified data used for regulatory purposes |
Moderate | ||||||||
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200 | L3 L = Pesticide manuals and hard copy reference books / other sources Rat3 = Unverified data of known source |
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0.086 | L3 L = Pesticide manuals and hard copy reference books / other sources Rar 4 hr3 = Unverified data of known source |
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0.005 | 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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0.3 | 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 ) EU 20015 = Verified data used for regulatory purposes |
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Health issues |
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Moderately toxic |
Handling issues |
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Prevent generation of dust IMDG Transport Hazard Class 6.1 |
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Health: H301, H312, H330 Environment: H400, H410 |
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II (Moderately hazardous) | |||
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UN3352 | |||
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cyhalothrin | ||
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cyhalothrine | ||
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Cyhalothrin | ||
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cyhalothrin | ||
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cialotrina | ||
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cihalotrina | ||
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- | ||
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cyhalotryna | ||
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cihalotrin | ||
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Record last updated: | 04/01/2024 |
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 |