Product Description 1,4-Dibromo-2-butyne Other Details Molecular Formula: C4H4Br2 Molecular Weight: 211.88 CAS Number: 2219-66-1 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:65 Days Sizes 2: 1g Leadtime:65 Days Sizes 3: 5g Leadtime:65 Days