Method of preparing nitrotoluenesulfonic acids and sodium salts thereof
申请人:NISSAN CHEMICAL INDUSTRIES LTD.
公开号:EP0534360A1
公开(公告)日:1993-03-31
Method of sulfonating a nitrotoluene to produce a toluenesulfonic acid and its sodium salt, which method is free from a waste acid being generated and is free from a non-reacted nitrotoluene being retained in the product.