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Merck
CN

01495

L-Glutamic acid monosodium salt hydrate

analytical standard

Synonym(s):

(S)-2-Aminopentanedioic acid, L-Glutamic acid monosodium salt, Glu, MSG, Monosodium glutamate

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About This Item

Empirical Formula (Hill Notation):
C5H8NNaO4 · xH2O
CAS Number:
Molecular Weight:
169.11 (anhydrous basis)
UNSPSC Code:
85151701
PubChem Substance ID:
E Number:
E620
NACRES:
NA.24
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grade

analytical standard

Quality Level

assay

≥98.5% (TLC)

shelf life

limited shelf life, expiry date on the label

impurities

9.62% water (theory, monohydrate)

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care

format

neat

InChI

1S/C5H9NO4.Na.H2O.H/c6-3(5(9)10)1-2-4(7)8;;;/h3H,1-2,6H2,(H,7,8)(H,9,10);;1H2;

InChI key

JYDGDQPVBSBYRT-UHFFFAOYSA-N

Biochem/physiol Actions

Agonist at kainate, NMDA, and quisqualate receptors; an excitatory amino acid neurotransmitter.


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Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable



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Monosodium L-glutamate-induced asthma.
Allen, David H., John Delohery, and Gary Baker.
The Journal of Allergy and Clinical Immunology, 80.4, 530-537 (1987)
E von Hauff et al.
Biosensors & bioelectronics, 26(2), 596-601 (2010-08-07)
A biocompatible device for the voltage dependent uptake and release of the neural transmitter L-glutamate in neutral pH solutions is demonstrated. The device consists of a gold electrode coated with molecularly imprinted, overoxidised polypyrrole (oPPy). It is shown here that
Karen Ackroff et al.
Physiology & behavior, 107(2), 207-217 (2012-07-11)
Monosodium glutamate (MSG), the prototypical umami substance, is used as a flavor enhancer in many foods, but when presented alone is often only weakly attractive. Yet with experience mice will develop strong preferences for MSG solution over water. The present



Global Trade Item Number

SKUGTIN
177466-1G04061838753212
177466-10G04061836825492
01495-1G04061838609441