2, 4 dihydroxybenzophenone (benzophenone-1)
Molecular formula: C13H10O3
Molecular weight: 214.2167
Appearance: yellowish crystal powder
Content: ≥ 99%
Melting point: 143 ≤ 146 °c
Ash: < 0.1%   
Light transmittance: 290nm > 630
Characteristics and uses: good compatibility with synthetic resin, can be used in plastics, plexiglass, synthetic rubber. It is also an intermediate for the synthesis of other ultraviolet absorbers,