Classification: | Chemical Auxiliary Agent |
---|---|
Brand Name: | UV ABSORBER UV 9 |
Usage: | Coating Auxiliary Agents,Leather Auxiliary Agents,Plastic Auxiliary Agents,Rubber Auxiliary Agents |
Type: | Adsorbent |
Adsorbent Variety: | UV ABSORBER |
CAS No.: | 131-57-7 |
Classification: | PLASTIC ADDITIVES |
Model Number: | UV 9 |
Place of Origin: | China (Mainland) |
Purity: | 99% MIN. |
Other Names: | Cyasorb UV 9, Chimassorb 90, Advastab 45,UV Absorber BP-3, UV 9 |
Quick Details
Specifications
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 200C. 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.