Beta-cypermethrin Technicals

Common Name: Beta-cypermethrinChemical Name: cyano(3-phenoxyphenyl)methyl 3-(2,2-dichloroethenyl)-2,2-dimethylcyclopropanecarboxylate; 2 parts of enantiomer pair [(1R)-1a(S*),3a] and [(1S)-1a(R*),3a] with 3 parts of enanCAS No.: 65731-84-2Structure: Molecular Formula: C22H19CL2NO3Molecular Weight: 416.297Properties:   Density: 1.32 g/cm3Boiling Point: 511.3 ℃at 760 mmHgMelting Point: 64-71° CFlash point: 263°CVapor Pressure: 1.8 ×10-4 mPa at 25°CSolubility: :In water 51.5 (5 °C), 93.4 (25 °C), 276.0 (35 °C) (all in mg/l, 7). In isopropanol 11.5, xylene 349.8, dichloromethane 3878, acetone 2102, ethyl acetate 1427, petroleum ether 13.1 (all in /ml, 20 °C). Stability: Stable to 150 °C; to air and sunlight; in neutral and slightly acidic media; epimerised in presence of base, hydrolysed in strongly alkaline media Appearance: Light yellow or off-white small nuggets crystalTechnical Purity: 95% TC


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