UV Absorber BP2 CAS 131-55-5
2, 2 ', 4, 4 '-tetrahydroxybenzophenone is a highly efficient water-soluble ultraviolet absorber, belonging to the benzophenone ultraviolet absorber series products. 2, 2 ', 4, 4 '-tetrahydroxybenzophenone is flammable, and combustion produces toxic nitrogen oxide fumes.
| Item | Specification |
| Melting point | 198-200 °C(lit.) |
| Boiling point | 349.21°C (rough estimate) |
| Density | 1.216 |
| Acidity coefficient (pKa) | 6.98±0.35(Predicted) |
| Refractive index | 1.4825 (estimate) |
| LogP | 3.091 (est) |
At present, 2, 2 ', 4, 4 '-tetrahydroxybenzophenone is widely used in plastics, resins, coatings, synthetic rubber and other fields, 2, 2', 4, 4 '-tetrahydroxybenzophenone is used as pharmaceutical intermediates, photosensitive materials, cosmetics anti-ultraviolet additives and so on. In recent years, the application of fabrics has been paid attention to by the textile industry, and the scope is more and more wide.
25kg/drum or according to customer requirements.
UV Absorber BP2 CAS 131-55-5
UV Absorber BP2 CAS 131-55-5
