Pharmaceutical intermediates series
Disperse blue 2bs
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.
High-end, novel and differential
Disperse bright blue s/gln (substitution b-60)