3-Cyclopenten-1-one
Also known as: 3-CYCLOPENTEN-1-ONE, 3-CYCLOPENTENE-1-ONE, 3-Cyclopenten-1-on, 3-Cyclopenten-1-one (6CI, 7CI, 8CI, 9CI, ACI), 3-Cyclopentenone, 3-cyclopentene-1-one, 3-cyclopentenone, 4-ketocyclopentene, CYCLOPENT-3-ENONE, Cyclopent-3-en-1-one, Cyclopentene-4-one, cyclopent-3-en-1-one, cyclopent-3-enone
3-Cyclopenten-1-one (CAS 14320-37-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O and a molecular weight of 82.101 g/mol. Key properties include a melting point of 65.3-65.6 °C(Solv: ligroine (8032-32-4)), a boiling point of 128.8±9.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 30.8±13.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14320-37-7
- Jingsj CID
- J-1518658-0
- Molecular Formula
- C5H6O
- Molecular Weight
- 82.101 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65.3-65.6 °C(Solv: ligroine (8032-32-4)) |
|---|---|
| Boiling Point | 128.8±9.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 30.8±13.7 °C |
| Exact Mass | 82.041862 |
| PSA | 17.07000 |
| LogP | 0.07 |
| Vapor Pressure | 10.5±0.2 mmHg at 25°C |
| Refractive Index | 1.492 |
| Storage Conditions | -20℃ |
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 3-Cyclopenten-1-one?
The CAS number of 3-Cyclopenten-1-one is 14320-37-7.
What are the molecular formula and molecular weight of 3-Cyclopenten-1-one?
3-Cyclopenten-1-one has molecular formula C5H6O and molecular weight 82.101 g/mol.
What are the upstream and downstream products of 3-Cyclopenten-1-one?
For 3-Cyclopenten-1-one, Upstream Products: 6-oxabicyclo[3.1.0]hex-3-ene, Cyclopentadiene, (1R,4S)-4-Hydroxycyclopent-2-en-1-yl acetate; Downstream Products: Cyclopentanone, 3-Cyclopenten-1-ol, butadiene.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3-Cyclopenten-1-one (CAS 14320-37-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518658-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.