Used in toothpaste and mouth rinses to prevent dental cavities by strengthening tooth enamel and inhibiting bacterial activity. Added to public water supplies in controlled amounts to promote dental health.

Employed in metal plating processes to improve finish and corrosion resistance, and as a flux in metallurgy to lower melting points and remove impurities.

Utilized in the production of fluorocarbons, refrigerants, and other fluorinated compounds, as well as in coatings.

Acts as a preservative and disinfectant in some industrial applications.

Also used in laboratories as a phosphatase inhibitor during cell lysis and sample preparation to prevent dephosphorylation.