CAS 121099-07-8 appears in our catalog under these names: Triisopropylphosphonium tetrafluoroborate 98%, TRIISOPROPYLPHOSPHONIUM TETRAFLUOROBORA&, Triisopropylphosphonium tetrafluoroborate, 98%, 98%. Offered by: Ambeed, Sigma-Aldrich, Chemat. Available pack sizes: 10g, 100mg, 250mg, 1g, 5g, 500MG.