2-(3-Bromobiphenyl)-3-yl-4,6-diphenyl-1,3,5-triazine, chemical formula is C27H18BrN3, CAS number is 1606981-69-4, molecular weight It is 464.36, a functional intermediate containing mesitazine-based aromatic optoelectronic materials and a pharmaceutical intermediate. At present, it is widely used as the light-emitting layer host material, the transmission layer material, and the barrier material of the OLED. Pure white powder, conventional purity ≥99.50%. According to customer's customized requirements, Shangsai Optoelectronics strictly controls various types of impurities and content through a series of synthetic methods. The purity can be further improved to ≥99.80%, with controlled ion content and inert Atmosphere, save from light.