2-Chloro-4,6-diphenyl-1,3,5-triazine, the chemical formula is C15H10ClN3, CAS number 3842-55-5, It has a molecular weight of 267.71 and is a functional intermediate containing s-triazine-based aromatic optoelectronic materials. At present, it is widely used in OLED light-emitting host materials, transmission layer materials, and barrier materials. White powder, conventional purity ≥99.5%, higher standards can reach 99.8%. Shangsai Optoelectronics strictly controls various types of impurities through a series of synthetic methods, which can further improve the purity, controllable ion content, inert atmosphere, and save from light.