Acid Orange 7

Product Name: Acid orange 7 Other Name: Acid orange II Cas No.: 633-96-5 MF: C16H13N2NaO4S MW: 352.34 Origin: China Type: Acid dyes Usage:Like acid orange 33, it is used for dyeing leather, wood, paper ,silk and nylon etc. 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.