Magnesium citrate (3:2)

Magnesium citrate (3:2)

Names
Preferred IUPAC name Trimagnesium bis(2-hydroxypropane-1,2,3-tricarboxylate)
Identifiers
CAS Number	3344-18-1 Y
3D model (JSmol)	Interactive image
ChEBI	CHEBI:131389 Y
ChemSpider	2925651
ECHA InfoCard	100.020.086
EC Number	222-093-9
KEGG	D03265
PubChem CID	3693607
UNII	RHO26O1T9V Y
CompTox Dashboard (EPA)	DTXSID601015151
InChI InChI=1S/2C6H8O7.3Mg/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;;3*+2/p-6 Key: PLSARIKBYIPYPF-UHFFFAOYSA-H InChI=1/2C6H8O7.3Mg/c2*7-3(8)1-6(13,5(11)12)2-4(9)10;;;/h2*13H,1-2H2,(H,7,8)(H,9,10)(H,11,12);;;/q;;3*+2/p-6 Key: PLSARIKBYIPYPF-CYFPFDDLAW
SMILES C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.C(C(=O)[O-])C(CC(=O)[O-])(C(=O)[O-])O.[Mg].[Mg].[Mg]
Properties
Chemical formula	C12H10Mg3O14
Molar mass	451.113 g·mol−1
Appearance	White powder
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Y verify (what is YN ?) Infobox references

Magnesium citrate (3:2) (3 magnesium atoms per 2 citrate molecules), also called trimagnesium dicitrate, trimagnesium citrate, or the ambiguous name magnesium citrate. The substance may come as anhydrous or hydrated salt with varying properties.

The anhydrous salt has good solubility in water (~10% or more at 25 °C) and contains 16.2% elemental magnesium by weight. Its taste is slightly bitter-alkaline.

The hydrated salt may have 3 to 14 molecules of water attached to it and has much lower solubility in water (2% or less at 25 °C).¹ This form doesn't have any noticeable taste.

Commercially available are the anhydrous salt, as well as nonahydrate (with 9 molecules of water attached) and 14-hydrate.² The nonahydrate form contains 12% elemental magnesium by weight.