Skip to main content

6-Oxoheptanoic acid

Also known as: 5-Acetylvaleric acid, 5-Acetylpentanoic acid, 6-Ketoheptanoic acid, 6-Ketoenanthic acid, 6-Oxoenanthic acid, 6-Oxoheptanoic acid, Heptanoic acid, 6-oxo-, MFCD00051479, EINECS 221-512-2

6-Oxoheptanoic acid (CAS 3128-07-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H12O3 and a molecular weight of 144.168 g/mol. Key properties include a melting point of 35-37 °C(lit.), a boiling point of 299.3±23.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 149.1±19.1 °C. It is classified under GHS with signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3128-07-2
Jingsj CID
J-42009-7
Molecular Formula
C7H12O3
Molecular Weight
144.168 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point35-37 °C(lit.)
Boiling Point299.3±23.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point149.1±19.1 °C
Exact Mass144.078644
PSA54.37000
LogP0.17
Vapor Pressure0.0±1.3 mmHg at 25°C
Refractive Index1.444

GHS Safety & Compliance

CorrosionSignal word: Danger
  • H314 — Causes severe skin burns and eye damage

Customs & Trade Information

HS Code2918300090
Summary2918300090 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 6-Oxoheptanoic acid?

The CAS number of 6-Oxoheptanoic acid is 3128-07-2.

What are the molecular formula and molecular weight of 6-Oxoheptanoic acid?

6-Oxoheptanoic acid has molecular formula C7H12O3 and molecular weight 144.168 g/mol.

Is 6-Oxoheptanoic acid hazardous?

6-Oxoheptanoic acid has GHS signal word Danger and hazard statements H314 — Causes severe skin burns and eye damage.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "6-Oxoheptanoic acid (CAS 3128-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42009-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.