2-(Hydroxymethylene)cyclopentanone

2-(羟基亚甲基)环戊酮

Also known as: 2-Formylcyclopentanone, Cyclopentanone, 2-(hydroxymethylene)-, 2-Hydroxymethylenecyclopentanone

2-(Hydroxymethylene)cyclopentanone (CAS 930-91-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H8O2 and a molecular weight of 112.127 g/mol. It is also known as 2-Formylcyclopentanone, Cyclopentanone, 2-(hydroxymethylene)- and 2-Hydroxymethylenecyclopentanone. Key properties include a boiling point of 259.8±19.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 107.7±14.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
930-91-6
Jingsj CID
J-1077548-2
Molecular Formula
C6H8O2
Chinese Name
2-(羟基亚甲基)环戊酮
Molecular Weight
112.127 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point259.8±19.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point107.7±14.1 °C

Frequently Asked Questions

What is the CAS number of 2-(Hydroxymethylene)cyclopentanone?

The CAS number of 2-(Hydroxymethylene)cyclopentanone is 930-91-6.

What are the molecular formula and molecular weight of 2-(Hydroxymethylene)cyclopentanone?

2-(Hydroxymethylene)cyclopentanone has molecular formula C6H8O2 and molecular weight 112.127 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(Hydroxymethylene)cyclopentanone (CAS 930-91-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1077548-2 (accessed 2026-10-24).

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