Antioxidant DPDP


Antioxidant dpdp chemical name Diphenyl Isodecyl Phosphite, The secondary stabilizer and chelating agent of PVC products and synthetic resins, can effectively inhibit color change.

CAS No.:26544-23-0


Antioxidant dpdp is used as a chelating agent and auxiliary stabilizer for PVC and synthetic resin products. In addition to its good suppression of color, the product can also increase its anti-oxidative ability and light stability

Chemical Name:

Diphenyl Isodecyl Phosphite


Weston DPDP


Appearance  Clear liquid
Color(APHA) < 50 
Acid Value(mgKOH/g) < 0.1 
Refractive Index (25C) 1.5100-1.5200
Specific Gravity (25 C) 1.020-1.035

Handling and Safety: 

For additional handling and toxicological information, please consult us for Maternal Safety Date Sheet.


25 or 200kgs per drum.