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Magnesium citrate (3:2)

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Magnesium citrate (3:2)
Names
Preferred IUPAC name
Trimagnesium bis(2-hydroxypropane-1,2,3-tricarboxylate)
Identifiers
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.020.086 Edit this at Wikidata
EC Number
  • 222-093-9
KEGG
UNII
  • 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
  • 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
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).
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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 magnesium citrate usually has water molecules attached to it. It is a (hydrated) salt of magnesium and citric acid. It is a bitter salt and dissolves with difficulty in water. It contains 16.2% elemental magnesium by weight. However, it can naturally only be available as nonahydrate (with 9 molecules of water to every molecule of trimagnesium dicitrate).[citation needed] This hydrated form only contains 12% elemental magnesium by weight.

References

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