2-Ketoglutaric acid
Also known as: 2-Oxoglutaric acid, 2-Oxopentanedioic acid, alpha-Ketoglutaric acid, α-Ketoglutaric acid, 2-Oxo-1,5-pentanedioic acid, 2-Oxo-Glutaric Acid, Oxoglutaric acid, Ketoglutaric acid, Pentanedioic acid, 2-oxo-, Glutaric acid, 2-oxo-
2-Ketoglutaric acid (CAS 328-50-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H6O5 and a molecular weight of 146.098 g/mol. Key properties include a melting point of 113-115 °C, a boiling point of 345.6±25.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 177.0±19.7 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 328-50-7
- Jingsj CID
- J-42426-0
- Molecular Formula
- C5H6O5
- Molecular Weight
- 146.098 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 113-115 °C |
|---|---|
| Boiling Point | 345.6±25.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 177.0±19.7 °C |
| Exact Mass | 146.021530 |
| PSA | 91.67000 |
| LogP | -1.43 |
| Vapor Pressure | 0.0±1.6 mmHg at 25°C |
| Refractive Index | 1.494 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H318 — Causes serious eye damage
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Rocchiccioli F, et al. Microdetermination of 2-ketoglutaric acid in plasma and cerebrospinal fluid by capillary gas chromatography mass spectrometry; application to pediatrics. Biomed Mass Spectrom. 1984 Jan;11(1):24-8. |
Customs & Trade Information
| HS Code | 2918300090 |
|---|---|
| Summary | 2918300090 other carboxylic acids with aldehyde or ketone function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Ketoglutaric acid?
The CAS number of 2-Ketoglutaric acid is 328-50-7.
What are the molecular formula and molecular weight of 2-Ketoglutaric acid?
2-Ketoglutaric acid has molecular formula C5H6O5 and molecular weight 146.098 g/mol.
Is 2-Ketoglutaric acid hazardous?
2-Ketoglutaric acid has GHS signal word Danger and hazard statements H318 — Causes serious eye damage.
What are the upstream and downstream products of 2-Ketoglutaric acid?
For 2-Ketoglutaric acid, Upstream Products: 5-Hydroxymethylfurfural, 2-Furoic acid, 2,5-Furandicarboxylic acid; Downstream Products: Hydroxypyruvic acid, L-Glutamic acid, Oxaloacetic 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. "2-Ketoglutaric acid (CAS 328-50-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42426-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.