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class="p0"> <span style="font-size:18px;line-height:2;">英文᫧?/span><span style="font-size:18px;line-height:2;">4-nitroethylbenzene              </span><span style="font-size:18px;line-height:2;">别名?/span><span style="font-size:18px;line-height:2;">4-</span><span style="font-size:18px;line-height:2;">硝基 </span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">分子式ϸ</span><span style="font-size:18px;line-height:2;">C8H9NO2</span><span style="font-size:18px;line-height:2;">?/span><span style="font-size:18px;line-height:2;">CH3CH2C6H4NO2   </span><span style="font-size:18px;line-height:2;">分子量ϸ</span><span style="font-size:18px;line-height:2;">151.17</span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">外观与性状:无色油Ӷ液?                  蒸汽աϸ</span><span style="font-size:18px;line-height:2;">3.06kPa/135</span><span style="font-size:18px;line-height:2;">?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">闪点?/span><span style="font-size:18px;line-height:2;">112</span><span style="font-size:18px;line-height:2;">?                                     ?nbsp;?nbsp;</span><span style="font-size:18px;line-height:2;">-32</span><span style="font-size:18px;line-height:2;">?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">沸点?/span><span style="font-size:18px;line-height:2;">245</span><span style="font-size:18px;line-height:2;">?/span><span style="font-size:18px;line-height:2;">246</span><span style="font-size:18px;line-height:2;">一级a标准和一级b标准日韩片ffff?                             溶解ϸ不溶于水,溶于醇、醚等多数有溶?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">密度:相对密?/span><span style="font-size:18px;line-height:2;">(</span><span style="font-size:18px;line-height:2;">?/span><span style="font-size:18px;line-height:2;">=1)1.12                   </span><span style="font-size:18px;line-height:2;">稳定ϸ稳定</span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">危ݴѮ?/span><span style="font-size:18px;line-height:2;">14(</span><span style="font-size:18px;line-height:2;">毒?/span><span style="font-size:18px;line-height:2;">)                         </span><span style="font-size:18px;line-height:2;">主要用途ϸ用于机合成</span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">制备对硝基乙?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">      ?2%以上的硫酸,在搅及冷却下,以细流ɠ入水,控制温度?0℃~45℃之间。加毕,降温?5℃,继续ɠ入96%的硝酸,温度不超40℃。加毕,冷߿20℃?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">      入乙苯,?8℃滴ɠ混酸,ɠ毕,升温߿40ℿ45℃,继续保温 1h ,使反应完全?/span><br /> <span style="font-size:18px;line-height:2;">      勇后冷却?0℃,Ǚ置分层。用水洗ա滭留酸,用碱洗ա酚类,后用水洗ա滭留碱液?/span><br /> <span style="font-size:18px;line-height:2;">      连续减压分馏աɊ?.3×103Pa以下,在塔顶馏出<a href="http://btwhere.com/lxjyb/" target="_blank">̻硝基乙?/a>〱塔底馏出Є沸物᫻一次减ա蒸馏<span style="font-size:18px;line-height:2;">到精制对硝基,由?b><a href="http://btwhere.com/" target="_blank" style="font-weight:bold">间硝基乙?/a></b>Є沸͹与对位体相近故精馏得到Є对硝基벐?%左右的间位体?/span></span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">注意事项?/span> </p> <p class="p0" style="margin-left:21pt;text-indent:-21pt;"> <span style="font-size:18px;line-height:2;">      硝酸用量不宜过多,硫酸的脱水ֽDVS)不能㼌控制?.56?/span> </p> <p class="p0" style="margin-left:21pt;text-indent:-21pt;"> <span style="font-size:18px;line-height:2;">一级a标准和一级b标准日韩片ffff      DVS是混酸中Є硝酸全硝化生成水后,废硫酸中硫酸和水Є计算质量比?/span> </p> <p class="p0" style="margin-left:21pt;text-indent:-21pt;"> <span style="font-size:18px;line-height:2;">一级a标准和一级b标准日韩片ffff      需要̳好的搅及冷却设?/span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">      ֜宁ա安勤化学有限公司是一家综合性的公司,公司拥善的质量检验机构和质量保证体系。其产品远ƽ内外,并同全国各地建立了广泛̳好的벊쳻。在벹Є业ɡ合作中,安勤化学人始终ش量为生命,服ɡ为,信誉为宗旨,并以合理的价格赢了广大客户的信赖,使之成为国内外满意Є供应商。以来,公司凭健全的营网络,̳好的沟逷为广大客户提供؜多品种、多包装、多层次؝的优质产品〱后,公司将始持以科技为先导,댖产品结构;以市场需汱目标,充分利用资源优ɿ,立足ƽ内,向世界,开쾺场,从上提其竞争力,以实现与客户的互惠互利?nbsp;</span> </p> <p class="p0"> <span style="font-size:18px;line-height:2;">一级a标准和一级b标准日韩片ffff      ׿同各界ɏ真诚合作,Ʌ进,共创辉煌?/span> </p> <p> <br /> </p></p> <p><div>¦?<a href="20.html">苏州间硝基苯乙酮供应?/a></div> <div>下一?<a href="17.html">间硝基苯乙酮ա家ؔ—阜宁安勤化学有限公?/a></div> </p></div> </div> <div class="tag">相关݇签?a href='/key.aspx?k=%e5%af%b9%e7%a1%9d%e5%9f%ba%e4%b9%99%e8%8b%af'>对硝基乙?/a>,<a href='/key.aspx?k=%e5%af%b9%e7%a1%9d%e5%9f%ba%e4%b9%99%e8%8b%af%e5%8e%82%e5%ae%b6'>对硝基乙苯厂?/a>,</div> <div class="title2"><h2>相关信息</h2></div> <div class="comment_list"> <ul> <li><a href="/news/65.html">间硝基乙?4-硝基、对硝基哪些工?</a></li> <li><a href="/news/46.html">硝基、对硝基Є工艺?/a></li> <li><a href="/news/45.html">硝基、对硝基Є工艺ʦ理ǿ注意事项</a></li> <li><a href="/news/42.html">ج州对硝基乙苯化工ʦ料供应商</a></li> </ul> </div> <div class="title2"><h2>相关产品</h2></div> <div class="prob_list"> <div class="cn2"><h2><a href="/supply/8.html" target=""><img alt="对硝基乙苯厂? src="/uploads/cp/20140714102943.jpg" width="118" height="118" border="0" onload="imgZoomer(this,118,118)" /></a></h2><span><a 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