2-Oxovaleric acid
Also known as: 2-Ketopentanoic Acid, 2-Ketovaleric Acid, 2-Oxopentanoic Acid, Alpha-Ketovaleric acid, 2-Oxopentanoate, 2-Oxo-n-valeric acid, alpha-Ketovaleric acid free acid, Pentanoic acid, 2-oxo-
2-Oxovaleric acid (CAS 1821-02-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C5H8O3 and a molecular weight of 116.11500 g/mol. Key properties include a melting point of 7-9 °C(lit.), a boiling point of 88-90 °C12 mm Hg(lit.), a density of 1.110 g/mL at 20 °C(lit.) and a flash point of 94°C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1821-02-9
- Jingsj CID
- J-12863-2
- Molecular Formula
- C5H8O3
- Molecular Weight
- 116.11500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 7-9 °C(lit.) |
|---|---|
| Boiling Point | 88-90 °C12 mm Hg(lit.) |
| Density | 1.110 g/mL at 20 °C(lit.) |
| Flash Point | 94°C |
| Exact Mass | 116.04700 |
| PSA | 54.37000 |
| LogP | 0.44020 |
| Refractive Index | n20/D 1.432 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|
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-Oxovaleric acid?
The CAS number of 2-Oxovaleric acid is 1821-02-9.
What are the molecular formula and molecular weight of 2-Oxovaleric acid?
2-Oxovaleric acid has molecular formula C5H8O3 and molecular weight 116.11500 g/mol.
Is 2-Oxovaleric acid hazardous?
2-Oxovaleric acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 2-Oxovaleric acid?
For 2-Oxovaleric acid, Upstream Products: 2-Ketoglutaric acid, D(-)-Norvaline, diethyl 2-ethyl-3-oxosuccinate; Downstream Products: Butyroin, (S)-2-Hydroxyvaleric Acid, Ethyl 2-oxovalerate.
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-Oxovaleric acid (CAS 1821-02-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-12863-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.