Product Description 4,4'-Bis(diethylmethylphosphonate)-2,2'-bipyridine Other Details Molecular Formula: C20H30N2O6P2 Molecular Weight: 456.41 CAS Number: 176220-38-5 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0