Benzophenone, 2,2,4,4-tetrahydroxy- 2,2',4,4'-Tetrahydroxybenzophenone (UV-2) Eusorb UV-246
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Common name: 2,2',4,4'-Tetrahydroxybenzophenone
CAS No.: 131-55-5
EINECS No.: 205-028-9
Appearance: Solidity
Molecular formula: C13H10O5
Brand Name: Colorcom
Shelf Life: 2 Years
Place of Origin: China
Product Specification:
Molecular Weight |
246.22 |
Boiling point |
349.21°C (rough estimate) |
Melting point |
198-200 °C(lit.) |
Density |
1.216 |
Purity |
≥99.0% |
Acidity coefficient (pKa) |
6.98±0.35(Predicted) |
Soluble |
DMSO (mild, ultrasonic treatment), Methanol (mild) |
Water solubility |
Slightly soluble in water. |
Color |
A needle-like crystal crystallized in H2O |
Product Description:
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.
Application:
Used as pharmaceutical intermediates, photosensitive materials, cosmetic anti-ultraviolet additives, etc
Package: 25kg/Barrel, 100kg
Storage: Sealed in dry, Room Temperature
Executive Standards: International Standard.
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