Benzophenone-3
Alias 2-Hydroxy-4-methoxybenzophenone; 2-Benzoyl-5-methoxyphenol; 4-Methoxy-2-hydroxybenzophenone; HMB
Molecular Structure 紫外线吸收剂 UV-9, 2-羟基-4-甲氧基二苯甲酮, CAS #: 131-57-7
Formula C14H12O3
MW 228.25
CAS NO. 131-57-7
Specification Appearance: white or light yellow-green crystal powder
M.P.: 62-65 ℃
Loss on drying: ≤ 0.2%
Assay: ≥ 99%
Heavy metal: ≤ 5ppm
Residue on ignition: <0.1%
Aerobic: <100CFU
Total leaf mould: <300CFU
Absorbance(288nm): ≥ 630
Absorbance(325nm): ≥ 410
Application Used as UV absorbors or light stabilizers
Packing 25kg fiber drums or 20kg cartons
 
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   Benzophenone-12
   Toluhydroquinone
 
 
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