Light stabilizer 119, with a white to light yellow solid particle appearance, is stable at room temperature and soluble in organic solvents such as toluene and chloroform. This product belongs to the non polymerized high molecular weight hindered amine light stabilizer, which has dual effects of light stability and antioxidant. It has low volatility, migration resistance, high temperature resistance, excellent thermal and light stability, good adaptability to weakly acidic environments, good compatibility with various resins, and does not stain or contaminate products. Widely used in polyethylene agricultural film, polypropylene fiber, talc filled PP and TPO automotive components, as well as in fields such as EVA, EPDM, PA, ABS, PET, PMMA and powder coatings. Sealed storage in a cool, dry, and ventilated place, away from light and heat sources, and avoid mixing with strong oxidants.