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Food safety and quality
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| Flavouring |
L-Glutamic acid |
| Synonym(s) |
Aminoglutaric acid, 1-aminopropane-1,3-dicarboxylic acid;L-2-Aminopentanedioic acid |
| Latest JECFA evaluation |
2004 (Session 63) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
L-Glutamic acid |
| JECFA number |
1420 |
| CAS number |
56-86-0 |
| FEMA number |
3285 |
| COE number |
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| FLAVIS number |
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| Molecular weight |
147.13 |
| Chemical formula |
C5H9O4N |
| Physical form/odour |
White free-flowing, crystalline powder; Yeasty, bread-like aroma |
| Solubility |
Slight soluble in water and ether |
| Solubility in ethanol |
Insoluble |
| Boiling point (°C) |
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| Assay min % |
98% |
| Acid value max |
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| Refractive index |
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| Specific gravity |
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| Other requirements |
mp: 247-249°; Sp.rotation = +30 to +32° (22°, 6N HCl); Complies with purity criteria for L-Glutamic acid in JECFA Monographs 1 |
| ID Test |
IR |
| Spectrum |
 
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