Skip to main content

3-Octanone

Also known as: Ethyl n-pentyl ketone, ethyl pentyl ketone, n-Amyl ethyl ketone, Amyl ethyl ketone, Ethyl amyl ketone, n-Octanone-3, octan-3-one, 3-oxooctane, Octan-3-one, EAK

3-Octanone (CAS 106-68-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H16O and a molecular weight of 128.212 g/mol. Key properties include a melting point of -23 °C, a boiling point of 169.9±3.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of 46.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, 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.
106-68-3
Jingsj CID
J-24816-1
Molecular Formula
C8H16O
Molecular Weight
128.212 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point-23 °C
Boiling Point169.9±3.0 °C at 760 mmHg
Density0.8±0.1 g/cm3
Flash Point46.1±0.0 °C
Exact Mass128.120117
PSA17.07000
LogP2.50
Vapor Pressure1.5±0.3 mmHg at 25°C
Refractive Index1.411
Additional Property0.7 g/L

GHS Safety & Compliance

Flammable / IrritantSignal word: Warning
  • H226 — Flammable liquid and vapour
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2914190090
Summary2914190090 other acyclic ketones without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Octanone?

The CAS number of 3-Octanone is 106-68-3.

What are the molecular formula and molecular weight of 3-Octanone?

3-Octanone has molecular formula C8H16O and molecular weight 128.212 g/mol.

Is 3-Octanone hazardous?

3-Octanone has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 3-Octanone?

For 3-Octanone, Upstream Products: 3-Octyl alcohol, 1-Octen-3-ol, 2-Octyne; Downstream Products: Carbon dioxide, Butyric acid, Pentanoic 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. "3-Octanone (CAS 106-68-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24816-1 (accessed 2026-11-07).

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