Magnesium diglutamate is a compound with formula Mg(C5H8NO4)2. It is a magnesium acid salt of glutamic acid.

Magnesium diglutamate[1]
Names
IUPAC name
Magnesium diglutamate(1−)
Systematic IUPAC name
Magnesium bis(4-amino-4-carboxybutanoate)
Other names
  • Magnesium glutamate
  • E625
  • Glutamic acid hemimagnesium salt
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.038.542 Edit this at Wikidata
E number E625 (flavour enhancer)
UNII
  • InChI=1S/2C5H9NO4.Mg/c2*6-3(5(9)10)1-2-4(7)8;/h2*3H,1-2,6H2,(H,7,8)(H,9,10);/q;;+2/p-2 checkY
    Key: MYUGVHJLXONYNC-UHFFFAOYSA-L checkY
  • InChI=1/2C5H9NO4.Mg/c2*6-3(5(9)10)1-2-4(7)8;/h2*3H,1-2,6H2,(H,7,8)(H,9,10);/q;;+2/p-2
    Key: MYUGVHJLXONYNC-NUQVWONBAS
  • [Mg+2].O=C([O-])CCC(N)C(=O)O.[O-]C(=O)CCC(N)C(=O)O
Properties
C10H16MgN2O8
Molar mass 316.549 g·mol−1
Melting point Tetrahydrate: 130 to 135 °C (266 to 275 °F; 403 to 408 K) (decomposes)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)

It has the E number E625 and is used in foods as a flavor enhancer.

References

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