epsilon-decalactone

Also known as: 7-butyloxepan-2-one, 7-Butyl-2-oxepanone, 7-butyl-2-oxepanon, 7-Butyl-oxepan-2-on, 2-Oxepanone, 7-butyl-, 6-Butylhexanolide, 6-decadecanolide, EPSILON-DECANOLACTONE, FEMA 3613

epsilon-decalactone (CAS 5579-78-2) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C10H18O2 and a molecular weight of 170.24900 g/mol. Key properties include a boiling point of 267.8ºC at 760 mmHg, a density of 0.933g/cm3 and a flash point of 106.3ºC. 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.: 5579-78-2
Jingsj CID: J-45514-9
Molecular Formula: C₁₀H₁₈O₂
Molecular Weight: 170.24900 g/mol
Category: Esters
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	267.8ºC at 760 mmHg
Density	0.933g/cm3
Flash Point	106.3ºC
Exact Mass	170.13100
PSA	26.30000
LogP	2.66240
Refractive Index	1.439

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of epsilon-decalactone?

The CAS number of epsilon-decalactone is 5579-78-2.

What are the molecular formula and molecular weight of epsilon-decalactone?

epsilon-decalactone has molecular formula C10H18O2 and molecular weight 170.24900 g/mol.

Is epsilon-decalactone hazardous?

epsilon-decalactone has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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. "epsilon-decalactone (CAS 5579-78-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-45514-9 (accessed 2026-11-07).

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