Chemical name: Roth: (S)-2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl (1R)-cis-trans-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate; (RS)-2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl (1RS,3RS;1RS,3SR)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate; (RS)-2-methyl-4-oxo-3-prop-2-ynylcyclopent-2-enyl (±)-cis-trans-chrysanthemate
CAS no.: 23031-36-9
Structural formula:

Molecular formula: C₁₉H₂₄O₃
Physical & chemical property:
Physical State: Yellow to yellow-brown liquid.
Density: 1.03 (20 °C)
Solubility: water 8 mg/l (25 °C). In hexane, methanol, xylene >500 g/kg (20–25 °C).
Stability: Under normal storage conditions, stable for at least 2 years.     
Specification: TC; AE; EC; EW; KN; MV; Oil.
Uses: Used to control public health insects (Blattodea, Culicidae, Muscidae).
Compatibility: Incompatible with alkaline materials.