PowerSorb™ 3049 CAS No. 131-54-4

2,2-Dihydroxy-4,4-dimethoxybenzophenone

PowerSorb™ 3049 is an efficient UV absorber for polyester film, which it protests from premature damage, particularly under severe exposure conditions.

Technical Data of PowerSorb™ 3049 cas 131 54 4

Synonyms	Uvinul 3049, Eversorb 52, UV-3049
CAS Number	131-54-4
EINECS Number	205-027-3
Chemical Structure
Chemical Formula	C15H14O5
Molecular Weight	274
Packing	PowerSorb™ 3049 is supplied in 20Kg Paper Bag, 20Kg PE Bag, 25Kg Carton Box, and 50Kg Fiber Drum.
Note	All information in the leaflet is based on our present knowledge and experience. We reserve the right to make any changes according to technological progress or further developments. Performance of the product described herein should be verified by testing. We specifically disclaim any other express or implied warranty of fitness for a particular purpose or merchantability. We disclaim liability for any incidental or consequential damages.

Benefits & Applications of PowerSorb™ 3049 CAS No. 131 54 4

The polyester film can be treated by applying a hot solution of PowerSorb™ 3049 in a polyhydric alcohol. The transmittance of film treated in this manner is greatly reduced for light of wavelengths less than 400 nm, thus allowing the film it to be used as a UV filter.

Other fields of application are:

– Allyl carbonate (spectacle lenses, 0.3 %)

– Rubber

– PUR furniture paints and varnishes (0.50 - 1.00%)

– Textile industry (as a light stabilizer that is taken up by the fibres in the dye bath).

– Photographic emulsions

– Acrylic resins, Alkyd resins, Epoxy resins, Phenolic resins

– Cellulose nitrate

– Fluorescent pigments

– PUR systems, Oil paints, Polymer dispersions

Physical Properties of PowerSorb™ 3049 CAS No. 131-54-4

Appearance	Pale Yellow Powder
Density [25°C, g/cm3]	34
Melting Point (°C)	129-139
Volatile (%)
K Value
Purity (%)

Solubility of PowerSorb™ 3049 CAS No. 131-54-4

Solubility [20°C]	% w/w
Methanol	<1
Ethyl acetate	5
Methyl ethyl ketone	5
Toluene	5
Water	<0.01

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