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href=\"\u002Fen\u002Fcas\u002F868-85-9_1100869.html#duXinDiv\">亚磷酸二甲酯毒性英文版\u003C\u002Fa>\u003C\u002Fp>\n\n\u003C\u002Ftd>","\u003Cp>其制备方法是由甲醇与三氯化磷直接反应制得。3CH\u003Csub>3\u003C\u002Fsub>OH+PCl\u003Csub>3\u003C\u002Fsub>→(CH\u003Csub>3\u003C\u002Fsub>O)\u003Csub>2\u003C\u002Fsub>POH+2HCl+CH\u003Csub>3\u003C\u002Fsub>Cl\u003Cbr \u002F>国内传统工艺是分锅滴加，间歇操作。由于该反应是剧烈的放热反应，反应速度快，瞬间完成，所以操作频繁，劳动强度大，且生产周期长，设备利用率低，生产能力受到限制。在此基础上通过工艺改造实现的连续化生产工艺，总收率达到80%以上(以三氯化磷计)，含量为95％以上。\u003Cbr \u002F>连续化工艺中的关键是要使三氯化磷与甲醇充分接触，可应用喷射反应器来满足这一要求。连续化工艺合成脱酸所得的亚磷酸二甲酯粗品含量在70％、酸度在10％左右，需进一步用氨中和，在中和过程中需加入保护剂二氯乙烷。中和的副产物氯化铵可经过再处理作肥料用，二氯乙烷可用减压蒸馏的方式加以回收利用。由甲醇与三氯化磷反应而得。\u003C\u002Fp>","2026-08-21T07:51:12.859463Z",false,[361,367,373,379,385,391,397,403,409,415,421,427],{"slug":362,"cid":363,"name":364,"nameZh":365,"cas":366},"785897121508233216","J-1320310-6","Methyl difluoroacetate","二氟乙酸甲酯","433-53-4",{"slug":368,"cid":369,"name":370,"nameZh":371,"cas":372},"785882465360154624","J-1160271-4","Lithium 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hydrochloride","仲丁胺盐酸盐","10049-60-2",{"slug":404,"cid":405,"name":406,"nameZh":407,"cas":408},"847785516534337536","J-1134074-2","N,N-dimethylethanamine,hydrochloride","N,N-二甲基乙胺盐酸盐","58114-25-3",{"slug":410,"cid":411,"name":412,"nameZh":413,"cas":414},"785945878597734400","J-745317-0","Formic acid, copper salt","甲酸铜","15907-03-6",{"slug":416,"cid":417,"name":418,"nameZh":419,"cas":420},"785889286439309312","J-27111-4","Aminoguanidine hydrochloride","氨基胍盐酸盐","16139-18-7",{"slug":422,"cid":423,"name":424,"nameZh":425,"cas":426},"785892537402396672","J-810916-8","Semicarbazide hydrochloride","盐酸氨基脲","563-41-7",{"slug":428,"cid":429,"name":430,"nameZh":431,"cas":432},"785872744624427008","J-1031630-0","Trimethylamine N-oxide hydrochloride","三甲基胺-N-氧化物盐酸盐","7651-88-9",1794251678397,"zh-CN",[]]