Product Description Holmium oxide Other Details Molecular Formula: Ho2O3 Molecular Weight: 377.86 CAS Number: 12055-62-8 Minimum Purity: 0.99 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: 25g Leadtime:20 Days