Tris(trimethylsilyl) Borate (TMSB) 99.5% 4325-85-3$69.95PriceWeightSelectQuantity*Buy NowTechnical InformationAdditional InformationShipping InformationBattery grade, ≥99.5% purity. Molecular Formula: C9H27BO3Si3 CAS #: 4325-85-3