BNX® 549

BNX® 549 by Mayzo is 2-Propenoic acid, 2-[1-[3,5-bis(1,1-dimethylpropyl)-2-hydroxyphenyl]ethyl]-4,6-bis(1,1-dimethylpropyl)phenyl ester. Acts as a multifunctional antioxidant. It is highly effective to prevent gel formation in butadiene homo- and co-polymers, especially under anaerobic conditions, is non-discoloring, FDA-cleared and exhibits low volatility. It is effective to scavenge alkyl (carbon-centered) radicals. The product is particularly active under demanding processing conditions (high temperature, high shear) and under anaerobic conditions. BNX® 549 is compatible with polypropylene, styrenic block copolymers, polystyrene, and rubber-modified polystyrene, polyolefins and polyamides. Recommended dosage is 0.05-0.5%. It has a shelf life of two years.