UV-531 powder Raw Materials CAS 1843-05-6

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Product details

Uses and synthesis of UV-531 powder

UV-531 powder belongs to benzophenone class ultraviolet absorber, chemical name 2-hydroxy-4-octyloxybenzophenone, at room temperature for the light yellow needle-like crystalline powder, UV-531 CAS 1843-05-6 has a light colour, non-toxic, good compatibility, small migration, easy to process and so on, UV-531 Raw Materials are widely used in PE, PVC, PP, PS, PC, organic glass, polypropylene fibre and ethylene vinyl acetate, and so on, PVC, PP, PS, PC, organic glass, polypropylene fibre and vinyl acetate.

Applications / Functions of UV-531 powder

• UV-531 powder is mainly used as a light stabiliser for polyethylene, polypropylene, polyvinyl chloride, polyurethane rubber and other synthetic materials.
• UV-531 CAS 1843-05-6 Widely used in PE, PVC, PP, PS, PC, polycarbonate, organic glass, polypropylene fibre and vinyl acetate.

Physicochemical Property of UV-531 powder

Light yellow crystal or white powder. Easily soluble in benzene, hexane, acetone, slightly soluble in ethanol, slightly soluble in dichloroethane.

Production methodprocess of UV-531 powder

The mixture of 2,4-dihydroxybenzophenone, 1-bromooctane, acetone, potassium carbonate is heated and reacted, filtered, concentrated, cooled, filtered, concentrated, cooled, filtered, and the crude obtained is recrystallised with ethanol. Obtained UV-531 Raw Materials.

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