2,2′-Dihydroxy-4,4′-dimethoxybenzophenone

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Product Name: UV-6
Chemical Name: 2,2′-Dihydroxy-4,4′-dimethoxybenzophenone
Synonyms: 
BENZOPHENONE-6;BENZOPHENONE-6-(2,2′-DIHYDROXY-4,4′-DIMETHOXYBENZOPHENONE);BIS-(2-HYDROXY-4-METHOXY-PHENYL)-METHANONE;LABOTEST-BB LT00159524;2,2-DIHYDROXY-4,4′-DIMETHOXY BENZOPHENONE;2,2′-DIHYDROXY-4,4′-DIMETHOXYBENZOPHENONE;Uvinul D49;UVINUL(R) D49
CAS No: 131-54-4
MF: C15H14O5
MW: 274.27
Category: 
Ultraviolet absorber
Structure:

Descriptions:

Light yellow crystals. Melting point 139-140 °C. Soluble in ethyl acetate, methyl ethyl ketone and toluene, do not dissolve in water.

Use:

The goods is benzophenone UV absorbers. UV absorbers are currently the most widely used light stabilizers, which are able to strongly and selectively absorb high-energy ultraviolet light, and the energy conversion to the form of heat or harmless low-energy radiation to the energy release or consumption Of the substance. Benzophenone containing an ortho-hydroxy group absorbs only ultraviolet light of 380 nm or less and hardly absorbs visible light. The goods in the 270-380nm wavelength range has a strong absorption, for PVC, acrylic resin, epoxy resin, phenolic resin, nitrocellulose and polyurethane. But the product can absorb part of the visible light, so that products with yellow.

Storage: Storage should be cool and ventilated, away from heat, fire, to prevent sun exposure, heat is strictly prohibited.
Package: 25kg PP bag for solid powder. 200L or 250KG Drum for Liquid.

Specifications:

Appearance Light yellow powder
Content ≥99%
Moisture ≤0.1%
Insoluble ≤0.1%
Melting point 134°C
 Application  absorb 290-400nm of ultraviolet light. For plastics and cosmetics.