Product Description Tetraethyl orthocarbonate Other Details Molecular Formula: C9H20O4 Molecular Weight: 192.25 CAS Number: 78-09-1 Minimum Purity: 98% (GC) 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