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Molecular formula : MW : CAS :
nature : also known as Marathon, also known as 4049. Two names phosphorothioate O, O-methyl-2-S - (1,2-diethyl-2 ethylhexyl) ester. An organic pesticide. Pure is a colorless, oily liquid. There are some slightly unpleasant odor. The relative density of 1.23 (25 ° C). 2.85 ° C melting point. Boiling Point 156-157 ° C (93.1 Pago, 0.7 mm Hg). Refractive index of 1.4958. Industrial products is tan, oily liquid. There are unpleasant odor. Almost do not dissolve in water or aliphatic hydrocarbons. Soluble alcohols, ketones, esters, chlorinated hydrocarbons, aromatic hydrocarbons and other vegetable oils. In the neutral and acidic hydrolysis medium slow, partial alkaline hydrolysis significantly up on. In copper, iron, tin, aluminum exists to promote better decomposition. Agricultural more for the fight against mites, aphids, scale insects, leaf collembolans and livestock parasites in vitro. With tag the role. The low toxicity to humans and animals, converted into powder, emulsion used. By maleic anhydride, acid and sulfuric acid esterification starting generated maleic ethyl, and with phosphorus pentasulfide and methanol in the system and condensation.
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