UV-529(CAS NO. 147783-69-5) is a hindered amine light stabilizer (HALS) with UV absorption properties.

UV-529 is a hindered amine light stabilizer (HALS) with UV-absorption properties. 

Chemical Name               Propanedioic acid [(4-methoxyphenyl)-methylene]-bis(1,2,2,6,6-pentamethyl-4-piperidinyl) ester

Molecular Weight              529 g/mol

CAS-No.                             147783-69-5

Physical Properties          Melting point 120 – 125 °C

Apperance                          Powder

Solubility                             Solubility Soluble in acetone, toluene, chloroform and xylene, slightly soluble in low alcohols.                                                                       Insoluble in water.

Desity                                  1.103g/cm3(Cal)

Boiling Point                       547.977oC at 760 mmHg

Flash Point                         285.207oC

Application: UV-529 is recommended as a light stabilizer for polyolefins, styrene plastics, PVC, PBT, paints and coatings.