Dye intermediates are the core determinant of product cost and quality, featuring high technical barriers. Basic raw materials collectively account for approximately 60% of dye production costs.

Recently, the prices of key components of disperse dyes have risen significantly, drawing increased market attention. Listed companies in the dye sector, such as Zhejiang Longsheng, Runtu Co., and ...

Azo dyes, defined by their characteristic azo group (–N=N–), represent one of the most important classes of synthetic dyes in modern textile chemistry. Their extensive π-conjugation systems render ...