Active ingredient: Alpha-cypermethrin
Other name: Fendona (BASF), Dominex (FMC)
Formulation: 5% WP, 1.5% SC
IUPAC name: A racemate comprising (S)-α-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3-phenoxybenzyl(1S,3S)-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
Roth: A racemate comprising (S)-α-cyano-3-phenoxybenzyl (1R)-cis-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate and (R)-α-cyano-3-phenoxybenzyl(1S)-cis-3-(2,2-dichlorovinyl)-2,2-dimethylcyclopropanecarboxylate
CAS No.: [67375-30-8] correct stereochemistry; [52315-07-8] (formerly [86752-99-0], [86753-92-6]) cypermethrin (no stereochemistry stated) were sometimes used in Chemical Abstracts
Molecular weight: 416.3
Molecular formula: C22H19Cl2NO3
Structural formula:

Mode of action: Non-systemic insecticide with contact and stomach action. Acts on the central and peripheral nervous system in very low doses.
Uses: Control of cockroaches, mosquitoes, flies, and other insect pests in public health; and flies in animal houses. Also used as an animal ectoparasiticide.
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