Product Description Lithium tetraborate, ~200 mesh Other Details Molecular Formula: B4Li2O7 Molecular Weight: 169.12 CAS Number: 12007-60-2 Minimum Purity: 99% (metals basis) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days