1,2:3,4-Diepoxybutane Back Catalog number: 90975 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79160 N-Nitrosodiphenylamine Price on request 82535 EPA Method 8250 - Acid Matrix Spiking Solution Price on request 11663.12-100-IO 2,2'-Dichlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request