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Merck
CN

01495

L-Glutamic acid monosodium salt hydrate

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:
142-47-2
Molecular Weight:
169.11 (anhydrous basis)
UNSPSC Code:
85151701
PubChem Substance ID:
329747308
E Number:
E620
NACRES:
NA.24

Key Documents

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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

Quality Level

100

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

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Biochem/physiol Actions

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

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL1723
BCCJ9157
BCCF2403
BCBZ4063
BCBQ8855V

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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
Cássia Borges Lima et al.
Life sciences, 93(9-11), 388-392 (2013-07-23)
Monosodium glutamate (MSG) is a neuroexcitatory amino acid used in human food to enhance flavor. MSG can affect the morphological and electrophysiological organization of the brain. This effect is more severe during brain development. Here, we investigated the electrophysiological and
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
Signorá Peres Konrad et al.
Clinics (Sao Paulo, Brazil), 67(10), 1209-1214 (2012-10-17)
The aim of this study was to evaluate cardiovascular autonomic function in a rodent obesity model induced by monosodium glutamate injections during the first seven days of life. The animals were assigned to control (control, n = 10) and monosodium
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