Complaint
Beta-cyfluthrin Insecticide Pesticide
Beta-cyfluthrin is a pyrethroid insecticide approved for use in the EU. It has a low aqueous solubility, semi-volatile and is not expected to leach to groundwater. It is highly toxic to mammals and may be a neurotoxin. It is also highly toxic to fish, aquatic invertebrates and honeybees but slightly less toxic to birds, algae and earthworms.
Description: A pyrethroid insecticide effective against a range of common pests including locusts in a many different crops
Example pests controlled: Migratory locusts; Grasshoppers; Mosquitoes; Bedbugs; Loopers; Cutworms; Spittlebugs; Leaf hoppers; Caterpillars; Armyworms; Weevils; Stinkbugs
Example applications: Alfalfa; Corn; Cotton; Peanuts; Sorghum; Sugarcane; Sugarbeet; Tobacco; Wheat; Brassicas; Sweetcorn; Stone fruit; Root vegetables
Chemical structure:
| Isomerism | An isomeric mixture of the two biologically active diastereoisomeric pairs of cyfluthrin. |
| Chemical formula | C22H18Cl2FNO3 |
| Canonical SMILES | CC1(C(C1C(=O)OC(C#N)C2=CC(=C(C=C2)F)OC3=CC=CC=C3)C=C(Cl)Cl)C |
| Isomeric SMILES | CC1([C@H](C1C=C(Cl)Cl)C(=O)O[C@@H](C#N)C2=CC(=C(C=C2)F)OC3=CC=CC=C3)C |
| International Chemical Identifier key (InChIKey) | OFHFONYRMVKULH-WNYJFNBPSA-N |
| International Chemical Identifier (InChI) | InChI=1S/C22H18Cl2FNO3/c1-22(2)15(11-19(23)24)20(22)21(27)29-18(12-26)13-8-9-16(25)17(10-13)28-14-6-4-3-5-7-14/h3-11,15,18,20H,1-2H3 |
| Pesticide type | Insecticide |
| Substance group | Pyrethroid |
| Minimum active substance purity | 965 g/kg |
| Known relevant impurities | EU dossier - None declared |
| Substance origin | Synthetic |
| Mode of action | Non-systemic with contact and stomach action. Sodium channel modulator. |
| CAS RN | 1820573-27-0 |
| EC number | 269-855-7 |
| CIPAC number | 482 |
| US EPA chemical code | 118831 |
| PubChem CID | 56608859 |
| Molecular mass (g mol-1) | 434.29 |
| PIN (Preferred Identification Name) | reaction mixture comprising the enantiomeric pair rac-(R)-cyano(4-fluoro-3-phenoxyphenyl)methyl (1S,3S)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate in ratio 1:2 with the enantiomeric pair rac-(R)-cyano(4-fluoro-3-phenoxyphenyl)methyl (1S,3R)-3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropane-1-carboxylate |
| IUPAC name | (R)-α-cyano-4-fluoro-3-phenoxybenzyl (1S,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (S)-α-cyano-4-fluoro-3-phenoxybenzyl (1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarbox |
| CAS name | cyano(4-fluoro-3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate |
| Other status information | - |
| Relevant Environmental Water Quality Standards | UK Environment Agency non-statutory standard for the protection of freshwater and saltwater aquatic life 0.001 ug/L] |
