Description
- Disodium phosphate (DSP), sodium hydrogen phosphate, or sodium phosphate dibasic, is an inorganic compound with the formula Na2HPO4. It is one of several sodium phosphates. The salt is known in anhydrous form as well as forms with 2, 7, 8, and 12 hydrates. All are water-soluble white powders, the anhydrous salt being hygroscopic.
- Di-sodium phosphate is a chemical compound with many uses, including in food, cleaning products, water treatment, and more:
- Food: Disodium phosphate is a common food additive that acts as a pH regulator, emulsifier, thickener, and preservative. It’s used in many packaged foods, including macaroni and pasta, as well as in some cheeses, meat products, canned sauces, Jell-O, evaporated milk, and chocolate.
- Cleaning products: Disodium phosphate is used in the formulation of cleaning agents and detergents.
- Water treatment: Disodium phosphate is used in water treatment.
- Fireproofing: Disodium phosphate is used in fireproofing material.
- Laxatives: Disodium phosphate is used in laxatives.
- Medications: Disodium phosphate is used in medications.
- Disodium phosphate is generally recognized as safe (GRAS) by the U.S. Food and Drug Administration (FDA). However, it can be linked to heart disease, especially in people with kidney disease.
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