L-Glutamic acid (CAS 56-86-0) is a natural fermentation-derived amino acid, white crystalline powder, slightly soluble in water. It is the key raw material for MSG, widely used in food seasoning, feed nutrition, pharmaceutical and cosmetic fields. TNJ Chemical is the leading manufacturer and exporter since 2001. We guarantee high quality, competitive price, stable supply, fast delivery and tech support etc. To inquire more, please contact sales@tnjchem.com
Product Information
English Name: L-Glutamic acid
Abbreviation: Glu
CAS No.: 56-86-0
EINECS: 200-293-7
Molecular Formula: C₅H₉NO₄
Molecular Weight: 147.13
Appearance: White crystalline powder
Odor: Tasteless or slight acidic taste
Solubility: Slightly soluble in cold water, soluble in hot water, practically insoluble in ethanol and etherSpecific rotation [α]₂₀/D: +30.0° ~ +32.0°
Melting point: 205 ℃ (decomposes)
pH (8.6 g/L aqueous): 3.0–3.5
| Item | Food Grade | Feed Grade | Pharma Grade |
|---|---|---|---|
| Assay | 99.0%–100.5% | 98.5%–100.5% | 99.0%–100.5% |
| Loss on drying | ≤0.5% | ≤1.0% | ≤0.3% |
| Residue on ignition | ≤0.1% | ≤0.2% | ≤0.1% |
| Chloride | ≤0.02% | ≤0.05% | ≤0.02% |
| Sulfate | ≤0.02% | ≤0.05% | ≤0.02% |
| Heavy metals (Pb) | ≤10 ppm | ≤20 ppm | ≤10 ppm |
| Arsenic (As) | ≤2 ppm | ≤3 ppm | ≤2 ppm |
| Iron (Fe) | ≤10 ppm | ≤20 ppm | ≤5 ppm |
| Ammonium salt | ≤0.02% | — | ≤0.02% |
| Optical purity | Complies | Complies | Complies |
Use & Application
Food: Raw material for monosodium glutamate, umami flavor enhancer, nutritional supplement
Feed: Feed additive, improve animal growth and feed utilization
Pharma: Raw material for glutamic acid medicines, biochemical reagent
Cosmetics: Skin care ingredient, moisture and nutrition agent
Biochemical: Culture medium, amino acid research
Packaging & Storage
Packed in 25kg woven bag with inner PE bag.
Store in cool, dry and ventilated warehouse, keep away from moisture and strong oxidants.
Shelf life: 24 months.
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