Oxacyclododecan-2-one
Also known as: Undecanolide, 11-Undecanolide, 1,11-Undecanolide, 11-Hydroxyundecanoic acid 1,11-lactone, 1-Oxacyclododecan-2-one, Undecanoic ω-lactone
Oxacyclododecan-2-one (CAS 1725-03-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H20O2 and a molecular weight of 184.27500 g/mol. Key properties include a melting point of 2-3ºC(lit.), a boiling point of 250.1ºC at 760 mmHg, a density of 0.919 g/cm3 and a flash point of 117.2ºC. 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.
- 1725-03-7
- Jingsj CID
- J-27608-4
- Molecular Formula
- C11H20O2
- Molecular Weight
- 184.27500 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 2-3ºC(lit.) |
|---|---|
| Boiling Point | 250.1ºC at 760 mmHg |
| Density | 0.919 g/cm3 |
| Flash Point | 117.2ºC |
| Exact Mass | 184.14600 |
| PSA | 26.30000 |
| LogP | 3.05410 |
| Refractive Index | n20/D 1.47(lit.) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Oxacyclododecan-2-one?
The CAS number of Oxacyclododecan-2-one is 1725-03-7.
What are the molecular formula and molecular weight of Oxacyclododecan-2-one?
Oxacyclododecan-2-one has molecular formula C11H20O2 and molecular weight 184.27500 g/mol.
Is Oxacyclododecan-2-one hazardous?
Oxacyclododecan-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 Oxacyclododecan-2-one?
For Oxacyclododecan-2-one, Upstream Products: 11-Hydroxyundecanoic acid, Cycloundecanone, Cyclododecanone; Downstream Products: 11-Hydroxyundecanoic acid, 1,11-Undecanediol, 1-Undecanol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Oxacyclododecan-2-one (CAS 1725-03-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27608-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.