Pharmaceutical intermediates series
Disperse yellow SE-FL（Y-42）
Dye intermediates, also known as intermediates, generally refer to various aromatic hydrocarbon derivatives used in the production of dyes and organic pigments. They are produced through a series of organic synthesis unit processes using aromatic hydrocarbons such as benzene, toluene, naphthalene and anthracene from coal chemical and petrochemical industries as basic raw materials.
Disperse yellow E-3G（Y-54）