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Disodium citrate

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Disodium citrate
Names
IUPAC name disodium hydrogen 2-hydroxypropane-1,2,3-tricarboxylate
Other names Citrato ácido de sódio
Identifiers
CAS Number
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.005.113 Edit this at Wikidata
E number E331ii (antioxidants, ...)
CompTox Dashboard (EPA)
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-3Key: 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-3Key: CEYULKASIQJZGP-DFZHHIFOAJ
SMILES
  • ..O=C()CC(O)(CC(=O))C()=O
Properties
Chemical formula C6H6Na2O7
Molar mass 236.087 g·mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C , 100 kPa). checkY verify (what is  ?) Infobox references
Chemical compound

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

References

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