4-Undecanolide

Also known as: 1,4-Undecanolide, 2(3H)-Furanone, 5-heptyldihydro-, 4-Hydroxyundecanoic acid lactone, 4-Hydroxyundecanoic acid, γ-lactone, 5-Heptyldihydro-2(3H)-furanone, 5-Heptyldihydrofuran-2(3H)-one, 5-heptyl-2-tetrahydrofuranone, 5-heptyl-dihydro-furan-2-one, ALDEHYDE C-14, Aldehyde C14, Dihydro-5-heptyl-2(3H)-furanone, EINECS 203-225-4, FEMA 3091, MFCD00005405, PEACH ALDEHYDE, Peach, Peach lactone, Persicol, UNII:QB1T0AG2YL, Undecan-4-olide

4-Undecanolide (CAS 104-67-6) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H20O2 and a molecular weight of 184.275 g/mol. Key properties include a boiling point of 286.0±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 112.7±15.9 °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.: 104-67-6
Jingsj CID: J-8760-1
Molecular Formula: C₁₁H₂₀O₂
Molecular Weight: 184.275 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	286.0±0.0 °C at 760 mmHg
Density	0.9±0.1 g/cm3
Flash Point	112.7±15.9 °C
Exact Mass	184.146332
PSA	26.30000
LogP	2.92
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.449

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation
H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-Undecanolide?

The CAS number of 4-Undecanolide is 104-67-6.

What are the molecular formula and molecular weight of 4-Undecanolide?

4-Undecanolide has molecular formula C11H20O2 and molecular weight 184.275 g/mol.

Is 4-Undecanolide hazardous?

4-Undecanolide 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 4-Undecanolide?

For 4-Undecanolide, Upstream Products: 10-Undecenoic acid, Octanal, acrylic acid methyl ester; Downstream Products: 1-decene, 2-heptyltetrahydrofuran, Isojasmone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Undecanolide (CAS 104-67-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8760-1 (accessed 2026-11-07).

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