2,4-Diaminobenzenesulfonic Acid Sodium Salt(MPDSA) 

Product name: 2,4-Diaminobenzenesulfonic Acid Sodium Salt Place of Origin: China Type: dyes intermediates Usage: It is mainly used to produce dyestuffs. Such as acid dyes. Qingdao Langke Co., Ltd is one of the main supplier of pigment,dyestuff  and their intermediates. In the past 10 years, we have sold the products to more than 20 countries. Either acid dyes or direct dyes, or even pigment, they all gained good reputation. To choose us as the partner, you will not be disappointed.