Article · Wikipedia archive · Last revised Jul 3, 2026

Monoammonium glutamate

Monoammonium glutamate is a compound with formula NH4C5H8NO4. It is an ammonium acid salt of glutamic acid.

Last revised
Jul 3, 2026
Read time
≈ 1 min
Length
221 w
Citations
2
Source
Wikipedia ↗
Monoammonium glutamate
source ↗
Names
IUPAC name
Azanium 4-amino-5-hydroxy-5-oxopentanoate
Other names
  • Ammonium glutamate
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.028.589
E number E624 (flavour enhancer)
  • InChI=1S/C5H9NO4.H3N/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);1H3 checkY
    Key: PHKGGXPMPXXISP-UHFFFAOYSA-N checkY
  • InChI=1/C5H9NO4.H3N/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);1H3
    Key: PHKGGXPMPXXISP-UHFFFAOYAV
  • O=C([O-])CCC(N)C(=O)O.[NH4+]
Properties
C5H12N2O4
Molar mass 164.161 g·mol−1
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 ?)

Monoammonium glutamate is a compound with formula NH4C5H8NO4. It is an ammonium acid salt of glutamic acid.1

It has the E number E624 and is used as a flavor enhancer.2

See also

See also

References

References

  1. PubChem. "Ammonium glutamate". pubchem.ncbi.nlm.nih.gov. Retrieved 2026-03-02.
  2. EFSA Panel on Food Additives and Nutrient Sources added to Food (ANS); Mortensen, Alicja; Aguilar, Fernando; Crebelli, Riccardo; Di Domenico, Alessandro; Dusemund, Birgit; Frutos, Maria Jose; Galtier, Pierre; Gott, David; Gundert-Remy, Ursula; Leblanc, Jean-Charles; Lindtner, Oliver; Moldeus, Peter; Mosesso, Pasquale; Parent-Massin, Dominique (July 2017). "Re-evaluation of glutamic acid (E 620), sodium glutamate (E 621), potassium glutamate (E 622), calcium glutamate (E 623), ammonium glutamate (E 624) and magnesium glutamate (E 625) as food additives". EFSA journal. European Food Safety Authority. 15 (7): e04910. doi:10.2903/j.efsa.2017.4910. ISSN 1831-4732. PMC 7009848. PMID 32625571.