Relevant Data

Food Additives Approved in the United States

Food Additives Approved by WHO:


General Information

Chemical nameMonopotassium glutamate
E No.E 622
INS.622
CAS number19473-49-5
GroupNo
Component of the group Group I, Additives (Group I)
Glutamic acid - glutamates (E 620 - 625)

From webgate.ec.europa.eu


Computed Descriptors

Download SDF
2D Structure
CID23696295
IUPAC Namepotassium;(4S)-4-amino-5-hydroxy-5-oxopentanoate
InChIInChI=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/t3-;/m0./s1
InChI KeyHQEROMHPIOLGCB-DFWYDOINSA-M
Canonical SMILESC(CC(=O)[O-])C(C(=O)O)N.[K+]
Molecular FormulaC5H8KNO4· H2O
Wikipediamonopotassium glutamate

From Pubchem


Computed Properties

Property Name Property Value
Molecular Weight185.22
Hydrogen Bond Donor Count2
Hydrogen Bond Acceptor Count5
Rotatable Bond Count4
Complexity149.0
CACTVS Substructure Key Fingerprint A A A D c c B i O A A A Q A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A H g A Q C A A A C C j B g A Q A C A B A A g A I A A C Q C A A A A A A A A A A A A I G A A A A C A B I A g A A A Q A A E E A A A A A C s J g A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A A = =
Topological Polar Surface Area103.0
Monoisotopic Mass185.009
Exact Mass185.009
Compound Is CanonicalizedTrue
Formal Charge0
Heavy Atom Count11
Defined Atom Stereocenter Count1
Undefined Atom Stereocenter Count0
Defined Bond Stereocenter Count0
Undefined Bond Stereocenter Count0
Isotope Atom Count0
Covalently-Bonded Unit Count2

From Pubchem


Taxonomic Classification

KingdomOrganic compounds
SuperclassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
SubclassAmino acids, peptides, and analogues
Intermediate Tree NodesAmino acids and derivatives - Alpha amino acids and derivatives
Direct ParentGlutamic acid and derivatives
Alternative Parents
Molecular FrameworkAliphatic acyclic compounds
SubstituentsGlutamic acid or derivatives - Alpha-amino acid - L-alpha-amino acid - Amino fatty acid - Dicarboxylic acid or derivatives - Fatty acid - Fatty acyl - Carboxylic acid salt - Amino acid - Carboxylic acid - Organic alkali metal salt - Organic nitrogen compound - Organic potassium salt - Organic salt - Organic zwitterion - Primary amine - Organooxygen compound - Organonitrogen compound - Primary aliphatic amine - Hydrocarbon derivative - Organic oxide - Organopnictogen compound - Carbonyl group - Organic oxygen compound - Amine - Aliphatic acyclic compound
DescriptionThis compound belongs to the class of organic compounds known as glutamic acid and derivatives. These are compounds containing glutamic acid or a derivative thereof resulting from reaction of glutamic acid at the amino group or the carboxy group, or from the replacement of any hydrogen of glycine by a heteroatom.

From ClassyFire