Synonyms: AMMONIUM, TETRAMETHYL-, TETRAFLUOROBORATE(1-);N,N,N-Trimethylmethanaminium tetrafluoroborate(1-);Tetramethylammonium fluoroborate;Methanaminium, N,N,N-trimethyl-, tetrafluoroborate(1-) (9CI);Tetramethylammonium tetrafluoroborate;tetrafluoroboron; tetramethylazanium;Borate(1-), tetrafluoro-, tetramethylammonium salt;