Antioxidant PEPQ


Antioxidant pepq is a high-performance Phosphite antioxidant for various polymers.



* High-performance organic polymer secondary antioxidant.

* Effectively stabilize polyolefins, elastomers, engineering plastics and adhesives.

*Excellent color stability during compounding, processing and end use with improved light stability.

* Efficient processing stabilizer and excellent decolorization.

Chemical Name:

Phosphorus trichloride, reaction product with 1,1′-biphenyl and 2,4-bis(1,1-dimethylethyl)phenol


Hostanox PEPQ


Appearance: Various forms of solid white

CAS No.: 119345-01-6
Mw: 1035

Acid value 0.50 (mgKOH/g) max 5.02,

4-DTBP content (%) max 3.5

Phosphorus content (%) 5.4~5.93.

Handling and Safety: 

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


20kg/plastic bag, 300/500kg per panel