Common name: Ultraviolet absorber UV-B
Chemical name: 2-hydroxy-4-benzyloxybenzophenone
English name: ultraviolet absorber UV-B
Molecular formula: C20H16O3
Relative molecular mass: 304.35
Appearance: light yellow crystalline powder
Melting point: 118~120℃
Solubility: soluble in organic solvents such as alcohol and ketone, but insoluble in water
Application performance: It is applied to plastic products of various resins with good effect
Safety: non-toxic, non-flammable, non-corrosive, and good storage stability