4,4'-Butylidenebis(6-tert-butyl-m-cresol) Back Catalog number: 71920 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended EPA-8280RS Recovery Standard Solution, 5ng/µl in Nonane/20% toluene, 1,2ml Price on request 93575 Trimethylamine Price on request 674578 Hexachlorophene, 250mg Price on request