Used primarily in the medical field as a phosphate binder to control serum phosphorus levels in patients with chronic kidney disease on dialysis. It works by binding to dietary phosphate in the gastrointestinal tract, preventing its absorption into the bloodstream.

Commonly used as a food additive for its buffering and stabilizing properties. Functions as an acidity regulator and helps maintain consistent pH in processed foods and beverages.

Employed in the textile industry as a mordant in dyeing processes, improving the fastness of certain dyes on fabrics.

Utilized in the production of some calcium-containing compounds and in laboratory settings as a reagent for various chemical syntheses.

Also found in some oral health products due to its ability to help reduce tooth sensitivity and strengthen enamel.