Product Description Tetrapropoxysilane Other Details Molecular Formula: C12H28O4Si Molecular Weight: 264.43 CAS Number: 682-01-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5mL Leadtime:20 Days Sizes 2: 25mL Leadtime:20 Days Sizes 3: 100mL Leadtime:20 Days