Product Description Triphenylphosphine selenide Other Details Molecular Formula: C18H15PSe Molecular Weight: 341.25 CAS Number: 3878-44-2 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0