Congo Red 

Product Name: Congo Red Other Name: Direct Red 28 CAS No.:573-58-0 MF: C32H22N6Na2O6S2 MW: 696.66 Origin:China Type:Direct Dye Usage: Used for dyeing textile, paper Congo red is one of direct dyes. It is like direct blue and yellow etc, can be used in many fields. 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.

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