It is used as a precursor for cesium metal, it act as a phase transfer catalyst, for molecular genetic applications used in preparing nucleic acids for subsequent hybridization or cloning experiments. It a useful compound for density gradient centrifugation, for fractionation of ribosomal subunits, proteins, glycoproteins, and viruses, evacuation of radio tubes, in the preparation of electrically conducting glasses.

This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.