C5H10KNO5
203.23 g/mol
Food AdditiveWarning
Monopotassium L-glutamate monohydrate
CAS19473-49-5EC243-094-0
Category
Food Additive
Compound Class
Organic Acid
Primary Use
Flavor enhancer
Monopotassium L-glutamate monohydrate is the monopotassium salt of L-glutamic acid, commonly used as a flavor enhancer in food products. It is structurally related to monosodium glutamate (MSG) and provides a savory umami taste.
Flavor enhancerFood additive
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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CAS 19473-49-5
Related Compounds
StrongSame Parent
L(+)-Monosodium glutamate monohydrate
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flavor enhancer
StrongSame Parent
Monosodium L-glutamate
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Flavor enhancer
ReferenceSame Category
Tert-butylhydroquinone
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antioxidant for fats and oils
ReferenceSame Category
Sodium caprylate
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food additive and plasma fractionation agent
ReferenceSame Category
Dipotassium L-aspartate
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nutritional supplement and electrolyte
ReferenceSame Category
Dipotassium EDTA
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chelating agent for food preservation
Referencestereoisomer of
Glutamicol-d5
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research compound
Referencestereoisomer of
Monosodium glutamate
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flavor enhancer
Safety Reference
Warning
H319Causes serious eye irritation
Identifiers
IUPAC Name
potassium;(4S)-4-amino-5-hydroxy-5-oxopentanoate;hydrate
InChIKey
XIBUKSQTWSKJMQ-QTNFYWBSSA-M
SMILES
C(CC(=O)[O-])[C@@H](C(=O)O)N.O.[K+]
Synonyms (22)
- E-622
- Glutamate, Potassium
- INS NO.622
- MONOPOTASSIUM GLUTAMATE
- Monopotassium L-glutamate
- Potassium glutamate
- Potassium glutaminate