Product Description 4-Ethynylbenzoic acid Other Details Molecular Formula: C9H6O2 Molecular Weight: 146.14 CAS Number: 10602-00-3 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