Cyclooctanone
Also known as: Cyclooctanone, NSC 9475, cyclooctan-1-one, MFCD00001754, TIMTEC-BB SBB008888
Cyclooctanone (CAS 502-49-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H14O and a molecular weight of 126.196 g/mol. Key properties include a melting point of 32-41 °C(lit.), a boiling point of 193.2±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 72.8±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.
- 502-49-8
- Jingsj CID
- J-7568-6
- Molecular Formula
- C8H14O
- Molecular Weight
- 126.196 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 32-41 °C(lit.) |
|---|---|
| Boiling Point | 193.2±8.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 72.8±0.0 °C |
| Exact Mass | 126.104462 |
| PSA | 17.07000 |
| LogP | 1.89 |
| Vapor Pressure | 0.5±0.4 mmHg at 25°C |
| Refractive Index | 1.448 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Cyclooctanone?
The CAS number of Cyclooctanone is 502-49-8.
What are the molecular formula and molecular weight of Cyclooctanone?
Cyclooctanone has molecular formula C8H14O and molecular weight 126.196 g/mol.
Is Cyclooctanone hazardous?
Cyclooctanone 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 Cyclooctanone?
For Cyclooctanone, Upstream Products: Cyclooctanol, Cyclooctane, Cyclooctene; Downstream Products: Ethyl 2-oxo-1-cyclooctanecarboxylate, 2-Ethylcyclohexanone, cyclononanone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Cyclooctanone (CAS 502-49-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7568-6 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.