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Silver tetrafluoroborate
Introduction
Silver tetrafluoroborate (AgBF4; commonly referred to “silver BF-4”) is an inorganic compound commonly encountered in inorganic and organometallic chemistry. Similar to silver hexafluorophosphate, it is commonly used to replace halide anions or ligands with the weakly-coordinating tetrafluoroborate anions. The abstraction of the halide is driven by the precipitation of the appropriate silver halide.