2-Hydroxycyclopent-2-en-1-one
Also known as: 2-Hydroxy-2-cyclopenten-1-one, 2-Hydroxy-2-cyclopentenone, 2-Hydroxycyclopent-2-enone, 1-Hydroxy-1-cyclopenten-5-one, 2-Cyclopenten-1-one, 2-hydroxy-
2-Hydroxycyclopent-2-en-1-one (CAS 10493-98-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H6O2 and a molecular weight of 98.09990 g/mol. Key properties include a melting point of 52-53ºC, a boiling point of 244.8ºC at 760mmHg, a density of 1.334g/cm3 and a flash point of 100.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 10493-98-8
- Jingsj CID
- J-27607-3
- Molecular Formula
- C5H6O2
- Molecular Weight
- 98.09990 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 52-53ºC |
|---|---|
| Boiling Point | 244.8ºC at 760mmHg |
| Density | 1.334g/cm3 |
| Flash Point | 100.5ºC |
| Exact Mass | 98.03680 |
| PSA | 37.30000 |
| LogP | 0.79120 |
| Vapor Pressure | 0.00496mmHg at 25°C |
| Refractive Index | 1.577 |
| Storage Conditions | 2-8°C |
Customs & Trade Information
| HS Code | 2914400090 |
|---|---|
| Summary | 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2-Hydroxycyclopent-2-en-1-one?
The CAS number of 2-Hydroxycyclopent-2-en-1-one is 10493-98-8.
What are the molecular formula and molecular weight of 2-Hydroxycyclopent-2-en-1-one?
2-Hydroxycyclopent-2-en-1-one has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.
What are the upstream and downstream products of 2-Hydroxycyclopent-2-en-1-one?
For 2-Hydroxycyclopent-2-en-1-one, Upstream Products: cis-Cyclopentane-1,2-diol, 6-Bromo-1,4-dioxaspiro[4.4]nonane, Cyclopentanone; Downstream Products: methyl 5-oxotetrahydrofuran-2-carboxylate, Succinic semialdehyde, 2-bromocyclopent-2-en-1-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2-Hydroxycyclopent-2-en-1-one (CAS 10493-98-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27607-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.