UV ABSORBER UV 9 CAS NO.131-57-7

Chemical name: 2-Hydroxy-4-Methoxy Benzophenone (Benzophenone-3)
CAS No.：131-57-7
Molecular formular：C14H12O3
Molecular weight：228.24
Molecular structure


Specification
Appearance: Pale yellow crystalline powder
Purity, %: ≥99
Melting point，℃：63-66
Heavy metals: 5ppm max
Ash, %: ≤0.1
Loss on Drying, %: ≤0.5
Specific Extinction: 285nm ≥ 630
325nm ≥ 400


Application
UV ABSORBER HOSORB-UV9 is a high-efficient UV radiation absorbing agent. It is
effectively absorbs UV radiation of 290-400 nm wavelength. It almost does not
absorb visible light. It is particularly used for light-colored transparent
products. It is well stable to light and heat, not decomposable below 200°C. It
is also used for paint and various plastic products, particular effective to PVC,
PS, PU, acrylic resin, light-colored transparent furniture, as well as to
cosmetics.
info at hhochem.com

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