Piperonyl butoxide Back Catalog number: 96221 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended DF-136-S 1,3,6-Trichlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request 8721.22-K-IO Di-n-heptyl phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 3648-21-3 Price on request 32795 1,1,1-Trichloroacetone Price on request