Naphthalene-2,6-disulfonic acid CAS 581-75-9

2, 6-naphthalene disulfonic acid is an important chemical intermediate, mainly used in dyes, medicine and concrete additives. For example, through alkali fusion synthesis of 2, 6-naphthalene disulfonate dihydroxynaphthalene, the product has high added value and broad market prospects, in fibers, packaging containers, electronic components, dyes and medicine and other fields have a wide range of applications, especially the preparation of various polyester materials and liquid crystal polyester resin important monomer.