Mallinckrodt Baker -- BORON TRIFLUORIDE ETHERATE 109-63-7 Fisher -- Boron trifluoride dimethyl etherateFisher -- Boron trifluoride etherate, ca. 48% bf3 ALDRICH CHEMICAL -- BORON TRIFLUORIDE ETHERATE PURIFIED (SEE SU -- 6810-00N015833 SIGMA CHEMICAL -- BORON TRIFLUORIDE DIETHYL ETHERATE, B8764 -- 6810-00N060881