Product Description 2-Bromobutane Other Details Molecular Formula: C4H9Br Molecular Weight: 137.03 CAS Number: 78-76-2 Minimum Purity: 98% (GC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 4x25g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 25g Leadtime:20 Days