2-Oxooctanoic acid
Also known as: 2-Oxocaprylic acid, 2-Ketocaprylic acid, 2-Ketooctanoic acid, α-Ketooctanoic acid, 2-Oxooctanoate, 2-Oxocaprylate, oxooctanoic acid
2-Oxooctanoic acid (CAS 328-51-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H14O3 and a molecular weight of 158.19500 g/mol. Key properties include a melting point of 33-36ºC, a boiling point of 82ºC/0.05 mmHg, a density of 1.038g/cm3 and a flash point of 111.2ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 328-51-8
- Jingsj CID
- J-1377288-8
- Molecular Formula
- C8H14O3
- Molecular Weight
- 158.19500 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 33-36ºC |
|---|---|
| Boiling Point | 82ºC/0.05 mmHg |
| Density | 1.038g/cm3 |
| Flash Point | 111.2ºC |
| Exact Mass | 158.09400 |
| PSA | 54.37000 |
| LogP | 1.61050 |
| Refractive Index | 1.447 |
| Storage Conditions | 2-8°C |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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-Oxooctanoic acid?
The CAS number of 2-Oxooctanoic acid is 328-51-8.
What are the molecular formula and molecular weight of 2-Oxooctanoic acid?
2-Oxooctanoic acid has molecular formula C8H14O3 and molecular weight 158.19500 g/mol.
Is 2-Oxooctanoic acid hazardous?
2-Oxooctanoic acid has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 2-Oxooctanoic acid?
For 2-Oxooctanoic acid, Upstream Products: 2-Hydroxyoctanoic acid, hexylmagnesium bromide, DL-2-AMINOOCTANOIC ACID; Downstream Products: (R)-2-Aminooctanoic acid, Pyruvic acid, Pent-1-ene.
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-Oxooctanoic acid (CAS 328-51-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1377288-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.