Article · Wikipedia archive · Last revised Jun 15, 2026

Magnesium diglutamate

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

Last revised
Jun 15, 2026
Read time
≈ 1 min
Length
174 w
Citations
2
Source
Wikipedia ↗
Magnesium diglutamate1
source ↗
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
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 ?)

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

It has the E number E625 and is used in foods as a flavor enhancer.2

References

References

  1. L-Glutamic acid hemimagnesium salt tetrahydrate at Sigma-Aldrich
  2. Avuloglu-Yilmaz, Ece; Yuzbasioglu, Deniz; Unal, Fatma (2020). "In vitro genotoxicity assessment of monopotassium glutamate and magnesium diglutamate". Toxicology in Vitro. 65 104780. Bibcode:2020ToxVi..6504780A. doi:10.1016/j.tiv.2020.104780. PMID 31978514.