Monopotassium glutamate

Monopotassium glutamate
Names

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
ChemSpider	13228^Y
Jmol interactive 3D	Image
PubChem	23669634
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
SMILES [K+].O=C([O-])C(N)CCC(=O)O
Properties
Chemical formula	C₅H₈KNO₄
Molar mass	185.22 g·mol⁻¹
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Y verify (what is ^YN ?)
Infobox references

Monopotassium glutamate (MPG) 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.

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