2,2',4,4'-Tetrahydroxybenzophenone

A series of benzophenone ultraviolet absorbers, the absorption wavelength range is 320-400nm, there are symmetrical benzene rings and hydroxyl groups on both sides, and their thermophotochemical properties are stable, which are superior to BP-1 (UV-O);

Widely used in plastics, resins, coatings, synthetic rubber, photosensitive materials and cosmetics industries