Piperonyl butoxide Back Catalog number: 94463 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 35002 EPA Method 502.2/524.2 Volatile Standard Price on request 679836 Tris-(2-butoxyethyl)phosphate, 100 µg/ml, Methano Price on request 11216.23-100-IO Trixylyl phosphate, purified ion m/z 396 (pentamethyl),100 µg/mL,isooctane,1mL, Price on request