Tetra-N-Butylammonium Phosphate is used in chemical synthesis and research particularly in reactions involving ionic compounds. Depending on its specific form it may be used in phase-transfer catalysis and as a reagent in organic chemistry.

It can facilitate the transfer of ionic species between different phases and improve the efficiency of certain chemical reactions. Its specific function depends on the formulation and reaction conditions.

Tetra-N-Butylammonium Phosphate is a quaternary ammonium phosphate compound containing tetrabutylammonium ions and phosphate ions. Its physical properties solubility and appearance depend on the exact chemical composition and phosphate form.