Product Description Carbic anhydride Other Details Molecular Formula: C9H8O3 Molecular Weight: 164.16 CAS Number: 129-64-6 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days