Product Description Diethyl terephthalate Other Details Molecular Formula: C12H14O4 Molecular Weight: 222.24 CAS Number: 636-09-9 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: 25g Leadtime:20 Days