Organic Organic Phase Transfer Catalysts Phase Transfer Catalysts 2434 TETRABUTYLAMMONIUM TETRAFLUOROBORATE TETRABUTYLAMMONIUM TETRAFLUOROBORATE (C4H9)4NBF4 329.28 429,42,5 429425 42,5 42942,5 429 42 5 NR 72621 58.10 20 G 72622 200.50 100 G 72623 519.00 500 G 72624 898.40 1 KG Assay 98% min. Water 2% max.