2-cyclohepten-1-one
2-环庚烯-1-酮
Also known as: 2-cycloheptenone, cyclohept-2-en-1-one, cyclohept-2-enone, tropilene, NSC 155333, (Z)-cyclohept-2-enone
2-cyclohepten-1-one (CAS 1121-66-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O and a molecular weight of 110.154 g/mol. It is also known as 2-cycloheptenone, cyclohept-2-en-1-one and cyclohept-2-enone. Key properties include a boiling point of 189.1±10.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 68.3±0.0 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1121-66-0
- Jingsj CID
- J-1525887-6
- Molecular Formula
- C7H10O
- Chinese Name
- 2-环庚烯-1-酮
- Molecular Weight
- 110.154 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 189.1±10.0 °C at 760 mmHg |
|---|---|
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 68.3±0.0 °C |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 2-cyclohepten-1-one?
The CAS number of 2-cyclohepten-1-one is 1121-66-0.
What are the molecular formula and molecular weight of 2-cyclohepten-1-one?
2-cyclohepten-1-one has molecular formula C7H10O and molecular weight 110.154 g/mol.
Is 2-cyclohepten-1-one hazardous?
2-cyclohepten-1-one has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-cyclohepten-1-one (CAS 1121-66-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1525887-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.