申请人:Bando Seiji
公开号:US20130137881A1
公开(公告)日:2013-05-30
The present invention provides a method for producing a methylene disulfonate compound including reacting, in the presence of an acid and a dehydrating agent, a formaldehyde compound with at least one salt of alkanedisulfonic acid selected from the group consisting of alkali metal salts of alkanedisulfonic acid and alkaline earth metal salts of alkanedisulfonic acid each represented by a specific formula. According to the method of the present invention, a methylene disulfonate compound can be obtained in a simple manner at low cost.
本发明提供了一种制备二甲基磺酸酐化合物的方法,包括在酸和脱水剂的存在下,将甲醛化合物与选自包括烷基二磺酸的碱金属盐和碱土金属盐的至少一种烷基二磺酸盐反应。根据本发明的方法,可以以低成本简单地获得二甲基磺酸酐化合物。