Displaying 10 results of Anthraquinone Impurities Anthraquinone is a chemical compound commonly used in the production of dyes and pigments. However, during the manufacturing process, impurities such as 9,10-anthracenedione and 1,4-anthraquinone can be formed. These impurities may affect the color and purity of the final product, and can also have potential health and environmental impacts. Therefore, it is important to monitor and control the levels of anthraquinone impurities in industrial processes.