Disodium citrate

Disodium citrate
Names
	IUPAC name Disodium 3-carboxy-3-hydroxypentanedioate
Identifiers
CAS Number	144-33-2 ;
3D model (JSmol)	Interactive image;
ChemSpider	8606 ;
ECHA InfoCard	100.005.113
EC Number	205-623-3;
E number	E331ii (antioxidants, ...)
PubChem CID	8950;
RTECS number	GE7580000;
UNII	6FO62KCQ7A ;
CompTox Dashboard (EPA)	DTXSID50889423 ;
	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-2 Key: CEYULKASIQJZGP-UHFFFAOYSA-L;
	SMILES C(C(=O)[O-])C(CC(=O)[O-])(C(=O)O)O.[Na+].[Na+];
Properties
Chemical formula	C6H6Na2O7
Molar mass	236.087 g·mol−1
Appearance	white crystalline powder
Melting point	149 °C (300 °F; 422 K)
Hazards
NFPA 704 (fire diamond)	0 1 0
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

Disodium citrate, also known as disodium hydrogen citrate, (Neo-Alkacitron) and sesquihydrate, is an acid salt of citric acid with the chemical formula Na₂C₆H₆O₇.^[2] It is used as an antioxidant in food and 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.

Uses

It is used as an antioxidant in food and to improve the effects of other antioxidants.^[3] It is also used as an acidity regulator and sequestrant.^[3] Typical products include gelatin, jam, sweets, ice cream, carbonated beverages, milk powder, wine, and processed cheeses. Disodium citrate can also be used as a thickening agent or stabilizer.^[4]

Disodium citrate can also be used as an ingredient in household products that remove stains.^[5]

Disodium citrate may be used in patients to alleviate discomfort from urinary-tract infections.^[6]^[7]

^ "Disodium citrate".
^ PubChem. "Disodium citrate". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-08-30.
^ ^a ^b "Alkarate from Macleods: Disodium Hydrogen Citrate". drugsupdate.com. Archived from the original on 2020-07-25. Retrieved 2013-04-20.
^ PubChem. "Disodium citrate". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-08-30.
^ PubChem. "Disodium citrate". pubchem.ncbi.nlm.nih.gov. Retrieved 2022-09-19.
^ "OTC Treatment". Archived from the original on 2018-07-28. Retrieved 2016-04-19.
^ "Disodium Hydrogen Citrate Syrup". labeling.pfizer.com. Retrieved 2022-09-26.