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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
CAS Number
3D model (JSmol)
ChEBI
ChemSpider
ECHA InfoCard 100.020.086 Edit this at Wikidata
EC Number
  • 222-093-9
KEGG
PubChem CID
UNII
CompTox Dashboard (EPA)
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-6Key: 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-6Key: PLSARIKBYIPYPF-CYFPFDDLAW
SMILES
  • C(C(=O))C(CC(=O))(C(=O))O.C(C(=O))C(CC(=O))(C(=O))O...
Properties
Chemical formula C12H10Mg3O14
Molar mass 451.113 g·mol
Appearance White powder
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

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 solubilty 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). 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. The nonahydrate form contains 12% elemental magnesium by weight.

References

  1. "Anhydrous trimagnesium citrate and its production". Google Patents. Retrieved 15 January 2025.
  2. "Magnesium Salts from the Manufacturer". Dr. Paul Lohmann®. Retrieved 15 January 2025.


Magnesium compounds
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