Chemistry: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	6382-01-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	13228 ;
PubChem CID	23669634;
UNII	B5ZC7FHO6O ;
	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 Key: HQEROMHPIOLGCB-UHFFFAOYSA-M ; 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	185.220 g·mol−1
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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	Infobox references

Monopotassium glutamate (MPG) is the compound with formula KC₅H₈NO₄. It is a potassium 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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