Acid Orange 33 

Product name:Acid Orange 33 Other Names:Acid  Orange GS CAS No.:6507-77-3 MF: C34H28N4Na2O8S2 MW: 730.71766 Place of Origin:China Type:Acid Dyes Usage:Used for dyeing and priting of nylon, silk and wool. Also used for dyeing of leather, hemp and straw. 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.