Disodium glutamate
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| Disodium glutamate | |
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| IUPAC name Disodium 2-aminopentanedioate | |
| Other names DSG | |
| Identifiers | |
| CAS number | 142-47-2  |
| PubChem | 9794116 |
| ChemSpider | 7969883  |
| Jmol-3D images | {{#if:C(CC(=O)[O-])C(C(=O)[O-])N.[Na+].[Na+][Na+].[Na+].O=C([O-])CCC(N)C([O-])=O|Image 1 Image 2 |
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| Properties | |
| Molecular formula | C5H7NNa2O4 |
| Molar mass | 191.09 g/mol |
| Appearance | white crystalline powder |
| Odor | practically odorless |
| Boiling point | 225 °C; 437 °F; 498 K (decomposes) |
| Solubility in water | 73.9 g/100 mL (25 °C) |
| Solubility | sparingly soluble in alcohol |
| Acidity (pKa) | 6.8 |
| Hazards | |
| LD50 | 16600 mg.mg (rat, oral) |
| (verify) (what is: /?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C (77 °F), 100 kPa) | |
| Infobox references | |
Disodium glutamate, abbreviated DSG, (Na2C5H7NO4) is a sodium salt of glutamic acid. It used as a flavoring agent to impart a meat-like flavor.
Formation
Disodium glutamate can be produced by neutralizing glutamic acid with two molar equivalents of sodium hydroxide (NaOH).
See also
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