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3,3′-二氯联苯胺(3,3′-Dichlorobenzidine,以下简称DCB,是一种生产染料和颜料的重要中间体,特别在合成各种黄色颜料、橙色颜料和红色颜料方面,它是不可代替的极为重要的中间体,它与联苯胺、3,3′-二甲基联苯胺、3,3′-二甲氧基联苯胺反应可得到424种颜料和染料产品,是油漆、油墨、橡胶、塑料等产品的着色剂,成为印刷、油墨、涂料、橡胶、塑料等工业中不可缺少的制品。它的应用已有六十多年的历史。由于它的结构和已知致癌物联苯胺相似,人们怀疑它可能是人的致
3,3’-Dichlorobenzidine (hereinafter abbreviated as DCB) is an important intermediate for the production of dyes and pigments, especially in the synthesis of various yellow, orange and red pigments, which are An irreplaceable and extremely important intermediate that can be reacted with benzidine, 3,3’-dimethylbenzidine, 3,3’-dimethoxybenzidine to give 424 pigments and dye products, which are paints, inks , Rubber, plastic and other products of the coloring agent, a printing, ink, paint, rubber, plastics and other industries indispensable products.Its application has been more than sixty years of history.Because of its structure and known carcinogens Aniline is similar, people suspect it may be human induced