CAS:131-55-5
MF:C13H10O5
MW:246.22
EINECS:205-028-9
Synonyms:2,2,4,4-Tetrahydroxybenzophenol; 2,2’,4,4’-tetrahydroxy-benzophenon; 2,2’,4,4’-tetrehydroxybenzophenone; 2,2,4,4TETRAHYDROXYBENZOPHENONE
What is UV Absorber BP2 CAS 131-55-5？
2,2′,4,4′ -tetrahydroxybenzophenone ultraviolet absorber, belongs to the benzophenone ultraviolet absorber series products, absorption wavelength range of 320-400nm, there are symmetrical benzene rings and hydroxyl groups on both sides, its thermal photochemical Chemicalbook performance is stable, Are superior to BP-1(UV-O), currently widely used in plastics, resins, coatings, synthetic rubber, photosensitive materials and cosmetics industries, in recent years, the application of fabrics by the textile industry attention, the scope is more and more wide.
Specification
| 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) |
Application
2, 2 ‘, 4, 4 ‘-tetrahydroxybenzophenone is used as pharmaceutical intermediates, photosensitive materials, anti-ultraviolet additives for cosmetics, etc. 2, 2 ‘, 4, 4 ‘-tetrahydroxybenzophenone is also widely used in plastics, resins, coatings, synthetic rubber and other fields. In recent years, its application in fabrics has been paid more and more attention in the textile industry.
Packaging
25kg/drum or according to customer requirements.
Related keywords
2,4Chemicalbook,2′,4′-Tetrahydroxybenzophenone; 2,4,2’,4’-tetrahydroxybenzophenone; Benzophenone,2,2′,4,4′-tetrahydroxy-; bis(2,4-dihydroxyphenyl)-methanon.
