Sodium phosphate is an umbrella term that refers to multiple combinations of sodium (salt) and phosphate (an inorganic, salt-forming chemical). Food-grade sodium phosphate is recognized by the U.S.

Disodium phosphate is a food additive. It’s “generally recognized as safe” (GRAS) by the U.S. Food and Drug Administration (FDA). Phosphates like disodium phosphate are derived from the element ...