Tetramethrin

Common name: tetramethrin; tétraméthrine; phthalthrin
IUPAC name: cyclohex-1-ene-1, 2-dicarboximidomethyl (1RS, 3RS;1RS, 3SR)-2, 2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
Alt: cyclohex-1-ene-1, 2-dicarboximidomethyl (?-cis-trans-chrysanthemate
Roth: cyclohex-1-ene-1, 2-dicarboximidomethyl (1RS)-cis-trans-2, 2-dimethyl-3-(2-methylprop-1-enyl)cyclopropanecarboxylate
3, 4, 5, 6-tetrahydrophthalimidomethyl (-cis-trans-chrysanthemate
Chemical Abstracts name: (1, 3, 4, 5, 6, 7-hexahydro-1, 3-dioxo-2H-isoindol-2-yl)methyl 2, 2-dimethyl-3-(2-methyl-1-propenyl)cyclopropanecarboxylate
CAS RN: [7696-12-0]

PHYSICAL CHEMISTRY
Composition: Tech. is c. 95% pure. Mol. wt.: 331.4; M.f.: C19H25NO4; Form: Colourless crystals, with slight pyrethrum-like odour; (tech. is a colourless to light yellow-brown solid). M.p.: 68-70 °C; (tech., 60-80 ºC). V.p.: 2.1 mPa (25 °C). KOW: logP = 4.6 (25 ºC). S.g./density: 1.1 (20 ºC). Solubility: In water 1.83 mg/l (25 ºC). In acetone, ethanol, methanol, hexane, n-octanol all >2 g/100 ml. Stability: Sensitive to alkalis and strong acids; DT50 16-20 d (pH 5), 1 d (pH 7),