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49621

Sigma-Aldrich

L-Glutamic acid monosodium salt monohydrate

≥98.0% (NT)

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Synonym(s):
L-2-Aminopentanedioic acid, MSG, Sodium L-glutamate
Linear Formula:
NaOOCCH2CH2CH(NH2)COOH · H2O
CAS Number:
Molecular Weight:
187.13
Beilstein/REAXYS Number:
4164348
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥98.0% (NT)

form

solid

optical activity

[α]20/D −4.2±0.3°, c = 1.2% in H2O

reaction suitability

reaction type: solution phase peptide synthesis

mp

232 °C (dec.) (lit.)

application(s)

peptide synthesis

SMILES string

O.[Na+].N[C@@H](CCC([O-])=O)C(O)=O

InChI

1S/C5H9NO4.Na.H2O/c6-3(5(9)10)1-2-4(7)8;;/h3H,1-2,6H2,(H,7,8)(H,9,10);;1H2/q;+1;/p-1/t3-;;/m0../s1

InChI key

GJBHGUUFMNITCI-QTNFYWBSSA-M

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1 of 4

This Item
1.064454960549601
vibrant-m

1.06445

Sodium L-glutamate monohydrate

form

solid

form

solid

form

solid

form

solid

mp

232 °C (dec.) (lit.)

mp

>200 °C (sublimed)

mp

-

mp

-

Quality Level

300

Quality Level

500

Quality Level

200

Quality Level

200

optical activity

[α]20/D −4.2±0.3°, c = 1.2% in H2O

optical activity

-

optical activity

-

optical activity

[α]20/D +23±1°, c = 5% in 5 M HCl

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

-

reaction suitability

reaction type: solution phase peptide synthesis

reaction suitability

-

General description

L-Glutamic acid monosodium salt monohydrate, commonly known as monosodium glutamate (MSG), is a sodium salt of glutamic acid.

Application

L-Glutamic acid monosodium salt monohydrate is used in carboxylation reactions and acts as a precursor for the synthesis and precipitation of α L-glutamic acid

Storage Class

11 - Combustible Solids

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)


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Inclusion of the stable form of a polymorph within crystals of its metastable form.
Cashell C, et al.
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