4-Hydroxy-2-cyclopenten-1-one
4-羟基-2-环戊烯酮
Also known as: 4-Hydroxy-2-cyclopentenone, 4-Oxo-2-cyclopenten-1-ol, 4-hydroxycyclopent-2-en-1-one, 4-hydroxycyclopent-2-enone, 4-hydroxycyclopentenone, AKOS BB-9928, Ivoqualine, 2-Cyclopenten-1-one, 4-hydroxy-, 3-hydroxy-4-cyclopentenone
4-Hydroxy-2-cyclopenten-1-one (CAS 61305-27-9) 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. It is also known as 4-Hydroxy-2-cyclopentenone, 4-Oxo-2-cyclopenten-1-ol and 4-hydroxycyclopent-2-en-1-one. Key properties include a boiling point of 243.7ºC at 760 mmHg, a density of 1.299 g/cm3 and a flash point of 99.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 61305-27-9
- Jingsj CID
- J-899911-7
- Molecular Formula
- C5H6O2
- Chinese Name
- 4-羟基-2-环戊烯酮
- Molecular Weight
- 98.09990 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 243.7ºC at 760 mmHg |
|---|---|
| Density | 1.299 g/cm3 |
| Flash Point | 99.9ºC |
Frequently Asked Questions
What is the CAS number of 4-Hydroxy-2-cyclopenten-1-one?
The CAS number of 4-Hydroxy-2-cyclopenten-1-one is 61305-27-9.
What are the molecular formula and molecular weight of 4-Hydroxy-2-cyclopenten-1-one?
4-Hydroxy-2-cyclopenten-1-one has molecular formula C5H6O2 and molecular weight 98.09990 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Hydroxy-2-cyclopenten-1-one (CAS 61305-27-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-899911-7 (accessed 2026-10-25).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.