2,4-Bis([1,1'-biphenyl]-4-yl)-6-chloro-1,3,5-triazine, chemical formula: C27H18ClN3, CAS number is 182918-13-4, molecular weight: 419.91, A functional intermediate containing s-triazine aromatic optoelectronic materials, 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. off-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, which can further improve purity, controllable ion content, inert atmosphere, and avoid light. save.