Product Description Trimethyl borate Other Details Molecular Formula: C3H9BO3 Molecular Weight: 103.91 CAS Number: 121-43-7 Minimum Purity: 0.98 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