2-hydroxycyclopentan-1-one

2-羟基环戊酮

Also known as: 2-Hydroxycyclopentanone, 2-hydroxycyclopentan-1-one, 2-hydroxycyclopentan-1-one (>90%), Cyclopentanone, 2-hydroxy-

2-hydroxycyclopentan-1-one (CAS 473-84-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H8O2 and a molecular weight of 100.116 g/mol. It is also known as 2-Hydroxycyclopentanone, 2-hydroxycyclopentan-1-one (>90%) and Cyclopentanone, 2-hydroxy-. Key properties include a boiling point of 210.0±33.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 83.3±18.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
473-84-7
Jingsj CID
J-1374088-1
Molecular Formula
C5H8O2
Chinese Name
2-羟基环戊酮
Molecular Weight
100.116 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point210.0±33.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point83.3±18.0 °C

Frequently Asked Questions

What is the CAS number of 2-hydroxycyclopentan-1-one?

The CAS number of 2-hydroxycyclopentan-1-one is 473-84-7.

What are the molecular formula and molecular weight of 2-hydroxycyclopentan-1-one?

2-hydroxycyclopentan-1-one has molecular formula C5H8O2 and molecular weight 100.116 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "2-hydroxycyclopentan-1-one (CAS 473-84-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1374088-1 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.