• PRODUCT NAME
  UV ABSORBER 531
• CHEMICAL NAME
  2-HYDROXY-4-(OCTYLOXYL)-BENZOPHENONE
• CAS
  1843-05-6
• MOLECULAR FORMULA
  C21H26O3
• MOLECULAR WEIGHT
  326.43
• APPEARANCE
  LIGHT YELLOW CRYSTALLINE POWDER
• MELTING POINT
  47-49℃
• PACKAGE
  BY PAPER CARTONS

UV absorber 531, CAS NO.1843-05-6 It is an efficient anti-aging additive.

It absorbs 240-340nm UV light, with non-toxic, good compatibility, low migration, and easy processing characteristics. It has the greatest protective performance and helps to reduce color, delaying yellowing and blocking the loss of physical properties.

UV-531 is widely used in PE, PVC, PP, PS, and PC, plexiglass, polypropylene fiber, ethylene-vinyl acetate, dryphenolicand alkyd varnish, polyurethane, acrylic, epoxy, and other air-drying products and automotive painting, powder coating, polyurethane, rubber products.