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Amfine Chemcial Corporation

AO-40 Product Information

AO-40 is a partially-hindered phenolic antioxidant for the stabilization of styrenic polymers, polyacetal, and elastomers.


* Highly efficient radical scavenger due to less sterically hindered structure
* Good compatibility with polymers containing polar functional groups and side chains
* FDA cleared for use in polyolefins, adhesives
(Please contact us for additional information)

  AO-40 Chemical Structure


* Emulsion ABS
* Polyacetal
* Unsaturated elastomers and latex

Typical Properties

Appearance: White Powder
Melting Range: 210-214ºC

CAS Number


Additional Information (registered users)

Product Data Sheet
Safety Data Sheet