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, Alkacitron, and sesquihydrate, is an acid salt of citric acid with the chemical formula Na₂C₆H₆O₇.

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