Molekula
L-Aspartic acid
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Aspartic acid is a non-essential amino acid involved in metabolic processes and used in pharmaceuticals, food additives, and research. It has the CAS number 56-84-8, molecular formula HO2CCH2CH(NH2)CO2H, and a molecular weight of 133.10 g/mol. Store at 2 to 8 °C. Molekula supplies L-Aspartic acid 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.
Often bought together
Pricing & pack sizes
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.
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1 kg — £45.10 per pack ex VAT · £54.12 inc. VAT
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Specifications
| Property | Value |
|---|---|
| Appearance | White/ off white powder |
| Specific rotation | +24.5 to +26.0 |
| Loss on Drying | ≤ 0.25% |
| Specification | Conforms to USP |
| Chloride (Cl-) | ≤ 0.02% |
| Assay | 98.5 - 101.5% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (Pb) | ≤ 10ppm |
| Organic impurities | ≤ 0.5% |
| Iron (Fe) | ≤ 10ppm |
| Lead (Pb) | ≤ 0.0005% |
| Identification (IR) | Conforms to reference |
| Sulphates (SO4)(2-) | ≤ 0.03% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Acid |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | White, crystalline solid |
| Melting Point | 270 °C |
| Solubility (other solvents) | Insoluble in ethanol, ethyl ether, benzene; soluble in dilute HCl, pyridine |
| Vapour Pressure | 0.0000013 mmHg |
| pKa | pKa = 2.01 (at 0 °C) |
| log P (octanol/water) | -3.89 |
Source: PubChem CID 5960 (HSDB, DrugBank, Haz-Map)
Identification
| Property | Value |
|---|---|
| SKU | 13231280 |
| CAS Number | 56-84-8 |
| IUPAC Name | (2S)-2-aminobutanedioic acid |
| EC Number | 200-291-6 |
| Molecular Formula | HO2CCH2CH(NH2)CO2H |
| Molecular Weight | 133.10 |
| Exact Mass | 133.0375 |
| SMILES | C([C@@H](C(=O)O)N)C(=O)O |
| InChIKey | CKLJMWTZIZZHCS-REOHCLBHSA-N |
| InChI | InChI=1S/C4H7NO4/c5-2(4(8)9)1-3(6)7/h2H,1,5H2,(H,6,7)(H,8,9)/t2-/m0/s1 |
| PubChem CID | 5960 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29224980 |
| Tariff Code | 2922498590 |
Safety & GHS
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, English (US), 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.
Synonyms
- (2S)-2-aminobutanedioic acid
- (S)-2-Aminosuccinic acid
- (S)-Aspartic acid
- Asparagic acid
- Asparaginic acid
- aspartic acid
- Aspartic acid, L-
- L-Aminosuccinic acid
- L-Asparagic acid
- L-Asparaginic acid
Frequently asked questions
What is L-Aspartic acid used for?
L-Aspartic acid is used in biochemical research, as a building block in peptide synthesis, and in some food and pharmaceutical applications.
What is the chemical formula and molecular weight of L-Aspartic acid?
The formula is HO2CCH2CH(NH2)CO2H and the molecular weight is 133.10 g/mol.
How should L-Aspartic acid be stored?
Store at 2 to 8 °C to maintain stability and prevent degradation.
What grade of L-Aspartic acid does Molekula supply?
Molekula supplies L-Aspartic acid in reagent grade, suitable for laboratory and research use.
Can Molekula supply L-Aspartic acid in bulk?
Yes, Molekula can supply L-Aspartic acid in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of L-Aspartic acid?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
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.