Disodium citrate

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Disodium citrate
Disodium citrate.png
IUPAC name
Disodium hydrogen 2-hydroxypropane-1,2,3-tricarboxylate
144-33-2 YesY
ChemSpider 10701794 YesY
Jmol-3D images Image
Molar mass 236.09 g·mol−1
Except where noted otherwise, data is given for materials in their standard state (at 25 °C (77 °F), 100 kPa)
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Infobox references

Disodium citrate, or disodium hydrogen citrate, is a sodium acid salt of citric acid with the chemical formula Na2HC6H5O7, or Na2H(C3H5O(COO)3). It is one of several forms of sodium citrate.


Food additive[edit]

Disodium citrate is used as an antioxidant in food as well as to improve the effects of other antioxidants.[1] It is also used as an acidity regulator and sequestrant.[1]

Typical products include gelatin, jam, sweets, ice cream, carbonated beverages, milk powder, wine, and processed cheeses.

Medical use[edit]

Disodium citrate may be used in patients to alleviate discomfort from urinary tract infections.[2][medical citation needed]