2-(3-Bromophenyl)-4,6-diphenyl-1,3,5-triazine, chemical formula: C21H14BrN3, CAS number: 864377-31-1, molecular weight: 388.26, white powder, a homotriazine-based aromatic compound Functional intermediates for optoelectronic materials, pharmaceutical intermediates. At present, it is widely used in OLED light-emitting host materials, transmission layer materials, and barrier materials. Pure white powder with conventional purity ≥99.50%. Shangsai Optoelectronics strictly controls various types of impurities through a series of synthetic methods. The purity can be further increased to 99.9%, the ion content can be controlled, the inert atmosphere can be stored in the dark.