Piperonyl Butoxide: HED Revised Risk Assessment for Reregistration Eligibility Document (RED).
Piperonyl butoxide is an insecticide synergist. Synergists are chemicals that lack pesticidal effects of their own but enhance the pesticidal properties of other chemicals.
|Office of Prevention, Pesticides, and Toxic Substances|
|Office of Reregistration 4|
|Health Effects Division|