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6,10-Dimethyl-5,9-undecadien-2-one

Also known as: Geranylacetone, Dihydropseudoionone, alpha,beta-Dihydropseudoionone, GERANYL-2-PROPANONE, TRANS-6,10-DIMETHYL-5,9-UNDECADIEN-2-ONE, 5,9-Undecadien-2-one, 6,10-dimethyl-, 6,10-Dimethyl-undeca-5,9-dien-2-one, 6,10-Dimethylundeca-5,9-dien-2-one, 9-Undecadien-2-one,6,10-dimethyl-5

6,10-Dimethyl-5,9-undecadien-2-one (CAS 689-67-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C13H22O and a molecular weight of 194.313 g/mol. Key properties include a boiling point of 256.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 107.2±0.0 °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.
689-67-8
Jingsj CID
J-8758-1
Molecular Formula
C13H22O
Molecular Weight
194.313 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point256.0±0.0 °C at 760 mmHg
Density0.9±0.1 g/cm3
Flash Point107.2±0.0 °C
Exact Mass194.167068
PSA17.07000
LogP4.13
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.459

GHS Safety & Compliance

IrritantSignal word: Warning
  • 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 6,10-Dimethyl-5,9-undecadien-2-one?

The CAS number of 6,10-Dimethyl-5,9-undecadien-2-one is 689-67-8.

What are the molecular formula and molecular weight of 6,10-Dimethyl-5,9-undecadien-2-one?

6,10-Dimethyl-5,9-undecadien-2-one has molecular formula C13H22O and molecular weight 194.313 g/mol.

Is 6,10-Dimethyl-5,9-undecadien-2-one hazardous?

6,10-Dimethyl-5,9-undecadien-2-one 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 6,10-Dimethyl-5,9-undecadien-2-one?

For 6,10-Dimethyl-5,9-undecadien-2-one, Upstream Products: Linalool, 2-Methoxypropene, Geraniol; Downstream Products: Levulinic acid, Geranylgeraniol, Nerolidol.

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

Last updated:

How to cite: Jingsj. "6,10-Dimethyl-5,9-undecadien-2-one (CAS 689-67-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8758-1 (accessed 2026-11-09).

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