2-(hydroxymethylene)cyclohexanone

Also known as: 2-(hydroxymethylene)cyclohexanone, (E)-2-(hydroxymethylene)cyclohexanone, 2-(hydroxymethylene)cyclohexan-1-one, 2-hydroxymethylenecyclohexanone, 2-hydroxymethylidenecyclohexanone, 2-oxocyclohexanecarbaldehyde, Cyclohexanone, 2-(hydroxymethylene)-, Einecs 212-514-4, α-(hydroxymethylene)cyclohexanone, 2-oxo-cyclohexanecarbaldehyde

2-(hydroxymethylene)cyclohexanone (CAS 823-45-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H10O2 and a molecular weight of 126.15300 g/mol. Key properties include a boiling point of 239.5ºC at 760 mmHg, a density of 1.247g/cm3 and a flash point of 97.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 823-45-0
Jingsj CID: J-1522955-7
Molecular Formula: C₇H₁₀O₂
Molecular Weight: 126.15300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	239.5ºC at 760 mmHg
Density	1.247g/cm3
Flash Point	97.9ºC
Exact Mass	126.06800
PSA	37.30000
LogP	1.57140
Refractive Index	1.621

Frequently Asked Questions

What is the CAS number of 2-(hydroxymethylene)cyclohexanone?

The CAS number of 2-(hydroxymethylene)cyclohexanone is 823-45-0.

What are the molecular formula and molecular weight of 2-(hydroxymethylene)cyclohexanone?

2-(hydroxymethylene)cyclohexanone has molecular formula C7H10O2 and molecular weight 126.15300 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "2-(hydroxymethylene)cyclohexanone (CAS 823-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1522955-7 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.