Molekula
L-Glutamic acid monoammonium salt
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Glutamic acid monoammonium salt is a crystalline amino acid derivative used primarily as a flavor enhancer, particularly in the food and beverage industry, and as a nitrogen source in microbial fermentation. It is also applied in pharmaceuticals and agricultural formulations. This chemical has a CAS number of 7558-63-6, a molecular formula of C5H12N2O4, and a molecular weight of 164.16. It is stable at ambient storage conditions and carries no signal word for hazard classification. Molekula supplies L-Glutamic acid monoammonium salt from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
On backorder — expected to ship by 21 November 2026
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
-
100 g — £77.70 per pack ex VAT · £93.24 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White to off-white solid |
| Salmonella | Not detected |
| pH | 4.0 - 6.0 |
| Loss on Drying | ≤ 0.5% |
| Assay | 98.5% - 101.5% |
| Heavy Metals (Pb) | ≤ 10mg/kg |
| Microbiology | ≤ 3000/g (total number of plates) |
| Total Coliforms | Not detected |
| Arsenic (As) | ≤ 1ppm |
| Combustion residues | ≤ 0.1% |
| Specific Rotation [ɑ] D25 | +25.4° ~ +26.4° |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Solubility (other solvents) | Freely soluble in water; practically insoluble in ethanol or ether |
Source: PubChem CID 24802175 (EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 54370531 |
| CAS Number | 7558-63-6 |
| IUPAC Name | (2S)-2-aminopentanedioic acid;azane |
| EC Number | 231-447-1 |
| Molecular Formula | C5H12N2O4 |
| Molecular Weight | 164.16 |
| Exact Mass | 164.0797 |
| SMILES | C(CC(=O)O)[C@@H](C(=O)O)N.N |
| InChIKey | PHKGGXPMPXXISP-DFWYDOINSA-N |
| InChI | InChI=1S/C5H9NO4.H3N/c6-3(5(9)10)1-2-4(7)8;/h3H,1-2,6H2,(H,7,8)(H,9,10);1H3/t3-;/m0./s1 |
| PubChem CID | 24802175 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29224250 |
| Tariff Code | 2922420010 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- (2S)-2-aminopentanedioic acid;azane
- AMMONIUM GLUTAMATE
- Ammonium L-glutamate
- Ammoniumglutaminat
- E 624
- Glutamic acid, monoammonium salt, L-
- INS NO.624
- L-Glutamic acid, ammonium salt (1:1)
- Monoammonium glutamate
- Monoammonium L-glutamate
Frequently asked questions
What is L-Glutamic acid monoammonium salt commonly used for?
It is primarily used as a flavor enhancer in food and beverages, particularly in seasonings like monosodium glutamate (MSG) alternatives, and as a nutrient in cell culture media.
What is the chemical formula and molecular weight of L-Glutamic acid monoammonium salt?
The chemical formula is **C5H12N2O4**, and the molecular weight is **164.16 g/mol**.
How should L-Glutamic acid monoammonium salt be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and strong oxidizing agents.
What grades or purities of L-Glutamic acid monoammonium salt does Molekula offer?
Molekula supplies this product in **pharmaceutical (USP/EP) and food-grade (FG) purities**, with typical assay ≥98%.
Can Molekula supply L-Glutamic acid monoammonium salt in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25kg drums, 1MT+ big bags) for both food and pharmaceutical grades—please inquire for pricing and lead times.
What documentation comes with an order of L-Glutamic acid monoammonium salt?
Each shipment includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and, for food/pharma grades, a **Certificate of Conformity (CoC)** per applicable regulations (e.g., FDA, EU).
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.