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ANOX™ 20 Powder

High molecular weight hindered phenolic primary antioxidant. Effective as a process stabilizer, but is especially powerful at preventing polymer degradation during long-term aging.




Product Overview

ANOX™ 20 Powder is a high molecular weight hindered phenolic antioxidant that primarily functions as a polymer stabilizer preventing degradation in long-term aging. Also provides defense against polymer degradation and discoloration during processing. Ethanox 310 has been rebranded to ANOX™ 20.

Product Specifications

Appearance: White free-flowing powder
Molecular Weight: 1178 g/mol
Bulk Density: 650 kg/m3
Melting Point: 110-125 °C
Flash Point: 299 °C
Primary Chemistry: Hindered Phenolic

Features & Benefits

Excellent resistance to extraction from polymer compounds
Synergizes with phosphites like Alkanox 240, Weston 705, and TNPP
Prevents processing-induced degradation AND degradation from long-term aging
Prevents discoloration at high processing temperatures
Broad food-contact approvals
CAS equivalent to Ethanox 310 and Irganox 1010
Available in powder, granular, non-dusting pellet form, alone and in binary blends


Food packaging, automotive underhood, wire and cable

Related Products

SI Group Main Antioxidants

SI Group Main Antioxidants are primary and secondary antioxidants which are well-known, workhorse chemistries that work in a variety of systems. They are are available in powder, granular, and non-dusting forms and have FDA approval in select applications

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