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Yellow Powder BP - 3 , UV - 9 Benzophenone UV Absorber for plastic , cas no. 131 - 57 - 7
Quick Detail :
BP - 3 is one of the Benzophenone UV absorbers . It is the good stabilizer for polythylene and other synthetic plastics , with its general amount from 0.5 to 1.5% , which can also be used for paints , pigments , coating industry , refined white wax and daily cosmetics .
Description :
- Name : UV531
- Chemical name : 2 - Hydroxy - 4 - methoxybenzophenon
- CAS No. : 131 - 57 - 7
BP - 3 is a broad - spectrum UV absorber , which is of high absorptivity , non - toxicity , non - teratogeny and is stable for light and heat . Approved as the sunscreen in Classby the United States’ FDA , it can concurrently absorb UV - A and UV - B and is frequently used in USA and Europe and is widely applied to sunscreen cosmetics , such as ointment , cream , honey , lotion and oil . It can also be used as anti - tarnish agent for the products can discolor for the reason of photosensitiveness . It can be used in plastics , chemical fiber , paints and petroleum products , especially suitable for the light - colored ones .
Applications :
It can be used for paints and various plastic products , which is not just prominently effective for PVC , polyester , acrylic , resin , polystyrene and light - colored or transparent color furniture , but is good cosmetic additive . Its general amount is from 0.1 to 0.5% . It is also a broad - spectrum UV absorber , which is of high absorptivity , non - toxicity , non - teratogeny and is stable for light and heat. Approved as the sunscreen cosmetic in Classby the United States’ FDA , it can concurrently absorb UV - A and UV - B .
Specifications :
| Appearance | Yellow Powder |
| Assay (GC) | 97% min |
| Melting Point | 63-66 |
| Volatile | 0.2% max |
| Ash | 0.1% max |
| Specific Extinction | 287nm 640min |
Competitive Advantage :
BP - 3 is especially suited for polythylene and other synthetic plastics . It is also the intermediate for other benzophenone UV absorbers .
Hongkun is one of the biggest manufacturers of UV Absorber in China with the same quality of BASF , and the application effect has been proved by many customers .




