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Phosphoric acid is a colorless, odorless crystalline liquid. ... Most of soda''s acidity also comes from phosphoric acid. Phosphoric acid is made from the mineral phosphorus, which is found naturally in the body. It works with calcium to form strong bones and teeth.Phosphoric acid, also known as orthophosphoric acid or phosphoric(V) acid, is a weak acid with the chemical formula H  PO  It is normally encountered as a colorless syrup of 85% concentration in water. The pure compound is a colorless solid.

What is disodium phosphate used for?Disodium phosphate is widely used as an emulsifier, pH buffering agent, and stabilizer in food production, and as buffering agent in textile production. Other significant uses include formulation of cleaning agents and detergent products, and water treatment 

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 phosphorus. They're used to enhance food characteristics like nutritional value and cooking performance.