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理化性质:无色透明液体,难溶于水,易溶于乙醇、二甲苯、环己酮等有机溶剂,沸点 120-130℃/13.3Pa/20Pa,密度1.1569(20℃),蒸气压1.32Pa/20℃,对光照比 较稳定,对酸稳定,对碱不稳定。 |
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CAS RN [13286-32-3]. Fungicide introduced by Kumiai Chemical Industry Co., Ltd. Common names EBP (JMAF) IUPAC name S-benzyl O,O-diethyl phosphorothioate CA name O,O -diethyl S -(phenylmethyl) phosphorothioate. M.f. C11H17O3PS Mol. wt. 260.3 English title : EBP; Phosphorothioic acid esters, O, O-diethyl-S - (phenylmethyl) ester; Kitazin; O, O-Diethyl - S-benzylthiophosphate; phosphorothioic acid, s-homogeneity o, o-diethyl ester; homogeneity ethyl phosphorothioate; packing EPB; o, o-diethyl s-homogeneity thiophosphate traits Description : transparent colorless oily liquid. Boiling Point 165-170 ° C (cornea), 130 ° C (26.7Pa), the relative density of 1.1569, 1.5258 refractive index, a flash point of 25-32 ° C, the vapor pressure 1.32Pa (20 ° C). Soluble in alcohol; Ether; Xylene; Cyclohexanone; Almost do not dissolve in water. Right acid stable, easy alkaline medium decomposition. production methods : first ethanol and phosphorus trichloride Preparation diethylamino Joorabchian phosphate, and with sulfur and sodium carbonate formation of O, O-diethyl phosphorothioate sodium, chloride and benzyl further role in rice blast to the net. material consumption fixed : phosphorus trichloride (?95%) 336kg / t; Ethanol (?95%) assemblage / t; Toluene 655kg / t; Chlorine 182kg / t ; liquid ammonia (?98%) 45kg / t; Soda 140kg / t; sulfur (?98%) 58kg / t. purposes : the goods for the efficient; Low toxicity of organic phosphorus fungicides. Major combat rice blast. 38-39% emulsion, the amount of 150g per mu, 300-600 fold dilution use, Effect of 85%. Secondly, for the prevention and treatment of rice Sclerotinia sclerotiorum arabica; Rhizoctonia solani, Fusarium ear disease has a certain effect. And to control the leafhopper black tail, planthopper, mixed with other pesticides, may increase its efficacy. Rice blast net malathion combined with the increasing toxicity. |