Disodium citrate

Disodium citrate, more properly, disodium hydrogen citrate, is an acid salt of citric acid with the chemical formula Na₂C₆H₆O₇. It is used as an antioxidant in food as well as to improve the effects of other antioxidants. It is also used as an acidity regulator and sequestrant. Typical products include gelatin, jam, sweets, ice cream, carbonated beverages, milk powder, wine, and processed cheeses.

Disodium citrate may be used in patients to alleviate discomfort from urinary tract infections.