Acid Red 249 

Product Name: Acid red 249 Other name: Acid red B CAS No.:6416-66-6 MF: C29H20ClN3Na2O10S3 MW: 748.11074 Place of Origin:China Type:Acid Dye Usage: It is one of acid dyes. Just like acid yellow and acid black, it can be used for dyeing and printing of wool, silk and nylon fabrics. 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 disapointed.