Product Description 1,4-Diethynyl-2,5-dimethoxybenzene Other Details Molecular Formula: C12H10O2 Molecular Weight: 186.21 CAS Number: 74029-40-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 200mg Leadtime:50 Days Sizes 2: 1g Leadtime:50 Days Sizes 3: 0 Leadtime:0