Product Description Diphenyl diselenide Other Details Molecular Formula: C12H10Se2 Molecular Weight: 312.13 CAS Number: 1666-13-3 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 10g Leadtime:20 Days