4578 Piperonyl butoxide Piperonyl butoxide (PBO) is an organic compound used as a component of pesticide formulations. It is a waxy white solid. It is a synergist. That is, despite having no pesticidal activity of its own, it enhances the potency of certain pesticides such as especially for carbamates, pyrethrins, pyrethroids, and rotenone. It is a semisynthetic derivative of safrole. 51-03-6 5794 C19H30O5 White powder. 180°C (0.13 kPa) 3, not classifiable as to its carcinogenicity to humans. (L135) This is a man-made compound that is used as a pesticide. 2014-08-29T06:51:44Z 2014-12-24T20:26:52Z C18880 CHEBI:32687 true CCCCOCCOCCOCC1=CC2=C(OCO2)C=C1CCC C19H30O5 InChI=1S/C19H30O5/c1-3-5-7-20-8-9-21-10-11-22-14-17-13-19-18(23-15-24-19)12-16(17)6-4-2/h12-13H,3-11,14-15H2,1-2H3 InChIKey=FIPWRIJSWJWJAI-UHFFFAOYSA-N 338.4385 338.20932407 Exogenous Solid CHEMBL1201131 5590