L-Aspartic acid
Also known as: (S)-2-Aminosuccinic acid, (S)-Aminobutanedioic acid, L-2-Aminobutanedioic acid, H-Asp-OH, Aspartic acid, L-, L-Asparagic acid, L-Asparaginic acid, L(+)-Aspartic acid
L-Aspartic acid (CAS 56-84-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H7NO4 and a molecular weight of 133.103 g/mol. Key properties include a melting point of >300 °C (dec.)(lit.), a boiling point of 264.1±30.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 113.5±24.6 °C. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 56-84-8
- Jingsj CID
- J-832960-0
- Molecular Formula
- C4H7NO4
- Molecular Weight
- 133.103 g/mol
- Category
- Organic Acids
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 264.1±30.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 113.5±24.6 °C |
| Exact Mass | 133.037506 |
| PSA | 100.62000 |
| LogP | -0.67 |
| Vapor Pressure | 0.0±1.1 mmHg at 25°C |
| Refractive Index | 1.531 |
| Additional Property | 5 g/L (25 ºC) |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Leopold CS, et al. In vivo pharmacokinetic study for the assessment of poly(L-aspartic acid) as a drug carrier for colon-specific drug delivery. J Pharmacokinet Biopharm. 1995 Aug;23(4):397-406. [2]. Hosoya K, et al. Blood-brain barrier produces significant efflux of L-aspartic acid but not D-aspartic acid: in vivo evidence using the brain efflux index method. J Neurochem. 1999 Sep;73(3):1206-11. |
Customs & Trade Information
| HS Code | 2922499990 |
|---|---|
| Summary | HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of L-Aspartic acid?
The CAS number of L-Aspartic acid is 56-84-8.
What are the molecular formula and molecular weight of L-Aspartic acid?
L-Aspartic acid has molecular formula C4H7NO4 and molecular weight 133.103 g/mol.
What are the upstream and downstream products of L-Aspartic acid?
For L-Aspartic acid, Upstream Products: Maleic acid, Fmoc-D-aspartic acid, Fmoc-Asp(OtBu)-OH; Downstream Products: (2S)-2-{[(Benzyloxy)carbonyl]amino}butanoic acid, Oxaloacetic acid, L-Glutamic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Aspartic acid (CAS 56-84-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-832960-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.