[Chemical name] Poly-(N--hydroxyethyl-2,2,6,6-tetramethyl-4-hydroxy-piperidyl succinate) [CAS] 65447-77-0 [USE] 　Hindered amine light stability agent. Used in light aging inhibition of polyethylene, polypropylene, polyurethane, metaformaldehyde, polyamine and polyester elastomer, also in ABS and engineering plastics. It is approved to be used for food package in some countries.