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Molecular formula : C11H15NO3 MW : 209.13 CAS No. :114-26-1
nature : the white crystalline powder. The temperature 84-87 ° C (91.5 ° C Pure). Vapor pressure 1.33Pa (120 ° C). 20 ° C water solubility of about 0.2%, the majority of soluble organic solvent. The strong alkaline medium instability.
Preparation Methods : isopropyl - phenol o dissolved in dehydration Dioxane, 71/92 methyl isocyanate and triethylamine, the reaction mixture is gradually heating up. Cooling and crystallization of precipitation, plus petroleum ether, completely crystalline precipitation, collecting crystal fragments, Propoxur, urea-products and oil-water washing, remove the solvent, at 50 ° C vacuum drying, benzene recrystallization may recall Propoxur. The consumption of raw materials fixed : o 890kg isopropyl - phenol / t, methyl isocyanate 330kgSatellite / t, dehydration Dioxane wa s 150kg / t, petroleum ether 500 kg / t.
uses : Non Systemic insecticides. With tag, stomach and the drug fumigation role, knock down faster and shorter is nearly dichlorvos, persistence length. Vitro can kill the parasites, pests Family Health (mosquitoes, flies and cockroaches, etc.) and storage pests.
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