Disodium glutamate

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Disodium glutamate (DSG, Na₂C₅H₇NO₄) is a salt formed by sodium and glutamic acid.

Formula:

 COONa
 |
 CH2
 |
 CH2
 |
 CH-NH2
 |
 COONa

Contents 1 Formation 2 Odor 3 See also 4 External links

[edit] Formation

When MSG is put into an alkaic environment, MSG is neutralized by the alkaline. In the presence of sodium ions, this reaction will form DSG. In this reaction, a sodium ion replaces hydrogen on the second carboxyl group in glutamic acid.

[edit] Odor

DSG has an odor of ammonia.

[edit] See also

• Monosodium glutamate

[edit] External links

• Links to external chemical sources.