Monopotassium glutamate

Monopotassium glutamate

IUPAC name Potassium 2-amino-5-hydroxy-5-oxopentanoate
Other names Potassium glutamate; E622; Glutamic acid potassium salt
Identifiers
CAS number	540778-10-7^Y
PubChem	23669634
ChemSpider	13228^Y
Jmol-3D images	Image 1
SMILES [K+].O=C([O-])C(N)CCC(=O)O
InChI InChI=1S/C5H9NO4.K/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1^Y Key: HQEROMHPIOLGCB-UHFFFAOYSA-M^Y InChI=1/C5H9NO4.K/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);/q;+1/p-1 Key: HQEROMHPIOLGCB-REWHXWOFAL
Properties
Molecular formula	C₅H₈KNO₄
Molar mass	185.22 g mol⁻¹
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Monopotassium glutamate is a compound with formula KC₅H₈NO₄. It is a potassium acid salt of glutamic acid.

It has the E number E622 and is used in foods as a flavor enhancer. It is a non-sodium MSG alternative.