Piperonyl butoxide Back Catalog number: 96221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 38193 WP 1,4-Dioxane Price on request 677481 4-Phenoxyphenol, 100mg Price on request 9562.14-K-IO Dibutylphenylphosphate, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 2528-36-1 Price on request