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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:
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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Quality Level

100

grade

analytical standard

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

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Biochem/physiol Actions

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

Storage Class Code

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
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
Katie M Di Sebastiano et al.
The British journal of nutrition, 110(12), 2165-2172 (2013-06-12)
Glutamate is linked to the glycolytic process, particularly when co-ingested with carbohydrate, but its effects on glucose metabolism are poorly characterised. The present study aimed to (1) specifically examine the effects of carbohydrate administration on circulating glutamate concentrations and (2)
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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