UV ABSORBER UV 9 UV Absorber BP-3 CAS NO.131-57-7

Product Details

Chemical name: 2-Hydroxy-4-Methoxy Benzophenone (Benzophenone-3)

CAS No.：131-57-7

Molecular formula：C14H12O3

Molecular weight：228.24

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

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