Application
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
Specifications
Parameters DPDP
Structure (C6H5O)2P
CAS No (26544 – 23 – 0)
Category Antioxidant, Stabilizer, Chelators
Form Clear Liquid
Color 50 Apha Max
Specific gravity at 25 °C 1.02 – 1.06
Acidic Value, mg KOH / gm 0.3 max
Refractive Index at 25 °C 1.516 – 1.528
Phosphorous Content % 8.1 – 8.3