Active ingredient: Deltamethrin

Other name: K-Othrine, Crackdown (Bayer)

Formulation: Deltamethrin 2.5% EC

IUPAC name: (S)-α-cyano-3-phenoxybenzyl (1R,3R)-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate

Roth: (S)-α-cyano-3-phenoxybenzyl (1R)-cis-3-(2,2-dibromovinyl)-2,2-dimethylcyclopropanecarboxylate 

CAS No.: [52918-63-5]; [52820-00-5] ((RS)- (1R)-cis- isomer pair)

Molecular weight: 505.2

Molecular formula: C₂₂H₁₉Br₂NO₃

Structural formula:  

Mode of action: Non-systemic insecticide with contact and stomach action. Fast-acting. 

Uses: A potent insecticide, effective by contact and ingestion against a wide range of pests.