3,4-二氯硝基苯绿色生产工艺  

Green production process of 3,4-dichloronitrobenzene

作　　者：夏兆亮 陆艳 陶艳星 陶禹 XIA Zhaoliang;LU Yan;TAO Panxing;TAO Yu(Jiangsu Baozhong Baoda Pharmaceutical Co.,Ltd.,Nantong 226532,China;Rugao Ding'an Safety Technical Service Consulting Co.,Ltd.,Nantong 226532,China;Rugao Port New Chemical Materials Industrial Park,Nantong 226532,China)

机构地区：[1]江苏宝众宝达药业有限公司,江苏南通226532 [2]如皋市鼎安安全技术服务咨询有限公司,江苏南通226532 [3]如皋港化工新材料产业园,江苏南通226532

出　　处：《氯碱工业》2020年第8期32-33,38,共3页Chlor-Alkali Industry

摘　　要：确定了以邻二氯苯为原料,N205-HN03 S硝化剂,合成3,4-二氯硝基苯的工艺条件:反应温度25〜30 t,N205-HN03与邻二氯苯的摩尔比为1:1,反应时间为2 h。在此条件下,产品纯度大于92.5%(质量分数)。The process conditions for the synthesis of 3,4-dichloronitrobenzene with o-dichlorobenzene as raw material and N 205-H NO3 as nitrating agent were determined:the reaction temperature was 25〜30 Xl,the molar ratio of N 205-H NO3 to o-dichlorobenzene was 1:1,the reaction time was 2 h.Under these conditions,the purity of the product was more than 92.5%(mass fraction).

关 键 词：五氧化二氮 硝酸 硝化反应 3 4-二氯硝基苯 邻二氯苯 

分 类 号：TQ246.13[化学工程—有机化工]