催化加氢合成3,4-二氯苯胺工艺研究  

A Study on the Preparation of Halogenated Aromatic Amines by Catalystic Hydrogenation

作　　者：孟明扬[1] 杨文东[1] 马瑛[1] 谭立哲[1] 石权达 

机构地区：[1]沈阳化工研究院,沈阳116012

出　　处：《染料与染色》2007年第2期25-27,共3页Dyestuffs and Coloration

摘　　要：本文提出了自制催化剂进行加氢还原制备,3,4-二氯苯胺,并采用BCA为防脱氯剂,甲醇为溶剂,产品含量(气相色谱外标法)99.58%,产品收率达96.0%。3,4-Dichloroaniline was prepared by hydrogenation of 3,4-Dichloronitrobenzene in the presence of prepared byself catalyst in methanol, BCA was used as a dechlorination inhibitor. The purity of the product was 99. 58% （GC） ,the yield was 96. 0%.

关 键 词：3 4-二氯苯胺 3 4-二氯硝基苯 加氢 催化剂 

分 类 号：TQ246.31[化学工程—有机化工]