Monoammonium glutamate

Monoammonium glutamate
Names
	IUPAC name Azanium 4-amino-5-hydroxy-5-oxopentanoate
	Other names Ammonium glutamate;
Identifiers
CAS Number	15673-81-1 ;
3D model (JSmol)	Interactive image;
ChemSpider	22622 ;
ECHA InfoCard	100.028.589
E number	E624 (flavour enhancer)
PubChem CID	24200;
CompTox Dashboard (EPA)	DTXSID001350161 DTXSID3047714, DTXSID001350161 ;
	InChI 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 Key: PHKGGXPMPXXISP-UHFFFAOYSA-N ; 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;
	SMILES O=C([O-])CCC(N)C(=O)O.[NH4+];
Properties
Chemical formula	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). verify (what is ?) Infobox references

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]

References

↑ PubChem. "Ammonium glutamate". pubchem.ncbi.nlm.nih.gov. Retrieved 2026-03-02.
↑ 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.

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