Molecular formula: C21H26 O3 Melting point: 47-49 celsius degree Light transmittance: (1g/100m1 ethanol)450nm It is used to absorbs ultraviolet whose wave lenghth is 270~330nm, and usually being added in polyester, ABS resin, PE Polyethylene, polypropylene, and epoxy resin. Appearance: White or light yellow crystalline powder Molecular formula: C21H26 O3 Melting point: 47-49 celsius degree Light ...