A Comprehensive Technical Review of 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic Acid (UV-284, BP-4,CAS:4065-45-6)
1. Introduction to 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic acid 2-Hydroxy-4-Methoxy Benzophenone-5-Sulphonic Acid (commonly marketed as UV-284 or BP-4) is a water-soluble, sulphonated benzophenone derivative widely used as an ultraviolet (UV) absorber. The compound belongs to the benzophenone family, a group of aromatic ketones that exhibit strong UV-absorbing capabilities due to their conjugated π-electron systems and excited-state intramolecular proton […]