Organic Organic Phase Transfer Catalysts Phase Transfer Catalysts 225 TETRABUTYLAMMONIUM IODIDE TETRABUTYLAMMONIUM IODIDE REAGENT (C4H9)4NI 369.36 311,28,4 311284 28,4 31128,4 311 28 4 NR 2-1-1 0.000 Polarographic Grade, A specially purified reagent suitable for supporting electrolyte in polarographic work at very negative potentials, 72503 49.20 100 G 72504 192.90 1 KG Assay 98% min.