Disodium citrate

Disodium citrate

Names
IUPAC name Disodium hydrogen 2-hydroxypropane-1,2,3-tricarboxylate
Identifiers
CAS Number	144-33-2
ChemSpider	10701794
Jmol 3D model	Interactive image
InChI InChI=1S/C6H8O7.2Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;/q;2*+1/p-3 Key: CEYULKASIQJZGP-UHFFFAOYSA-K InChI=1/C6H8O7.2Na/c7-3(8)1-6(13,5(11)12)2-4(9)10;;/h13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;/q;2*+1/p-3 Key: CEYULKASIQJZGP-DFZHHIFOAJ
SMILES [Na+].[Na+].O=C([O-])CC(O)(CC(=O)[O-])C([O-])=O
Properties
Chemical formula	C6H6Na2O7
Molar mass	236.09 g·mol^−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

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.^[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.

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

References

1. "Alkarate from Macleods: Disodium Hydrogen Citrate". drugsupdate.com.
2. "OTC Treatment".