Product Description Tri-tert-butylphosphonium tetraphenylborate Other Details Molecular Formula: C24H20B.C12H28P Molecular Weight: 522.56 CAS Number: 131322-08-2 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0