Product Description 1-Bromobutane-2,3-dione Other Details Molecular Formula: C4H5BrO2 Molecular Weight: 164.99 CAS Number: 5308-51-0 Minimum Purity: 0.95 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: 10g Leadtime:20 Days