Product Description Zirconium silicate, <2 Micron powder Other Details Molecular Formula: SO4i.Zr Molecular Weight: 183.31 CAS Number: 10101-52-7 Minimum Purity: 0 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25g Leadtime:20 Days Sizes 2: 100g Leadtime:20 Days Sizes 3: 500g Leadtime:20 Days