O,O'-Dioctadecylpentaerythritol bis(phosphite)

O,O'-Dioctadecylpentaerythritol bis(phosphite) is a phosphite ester used as a color and molecular weight stabilizer, as well as an antioxidant, in plastic materials. It is commonly incorporated into polyolefins, polyesters, elastomers, styrenics, engineering thermoplastics, and adhesive formulations to prevent degradation during processing and service life.