CAS No. 4712-55-4
MK DPP Phosphite is a diaryl phosphite which can be used to improve the color of unsaturated polyesters. In polyolefins, MK DPP phosphite can be used as a stabilizer in applications where regulatory approval for food contact is not required. It is also used as a secondary stabilizer to improve the light and color staiblity- and to prevent plate-out of polyvinyl chloride. This product has a high phosphorus content and a relatively low molecular weight.