CAS 109-63-7 appears in our catalog under these names: Boron trifluoride diethyl etherate, 46.5% BF{3} min, package, Boron trifluoride diethyl etherate, 98+% . Offered by: Thermo Scientific (Alfa Aesar). Available pack sizes: 100g, 500g, 100ml, 500ml, 1000ml.