Product Description 1,1,3,3,5,5,7,7-Octamethyltetrasiloxane Other Details Molecular Formula: C8H24O3Si4 Molecular Weight: 280.61 CAS Number: 1000-05-1 Minimum Purity: >92.0%(GC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:50 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0