Diphenyl isooctyl phosphite (DPOP)

Products

Diphenyl isooctyl phosphite (DPOP)

APPLICATION

Additives for surface coating
  • Chelating agent used in association with metal soaps as polymer additive. Improves heat and light stability properties of poly vinyl chloride (PVC) plastics.
  • As the chelator ingredient in liquid PVC Stabilizers. Typical use levels are 15-40% of the liquid stabilizer
  • As anti-oxidant for polyesters, acrylics and polyphenylene oxide. Improve colour retention during processing of these polymers. Dosage 0.5-0.5 phr

SPECIFICATION

Parameters DPOP
Structure (C6 H5O)2(C8 H15O) P
CAS No (26401 – 27 – 4)
Category Antioxidant, Stabilizer
Color So Max
Form Clear Liquid
Specific gravity at 25 °C 1.02 – 1.06
Acidic Value, mg KOH / gm 0.3 max
Refractive Index at 25 °C 1.520 – 1.530
Phosphorous Content % 8.9 – 9.01

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