9-Oxo-9H-fluorene-4-carboxylic acid

9-芴酮-4-羧酸

Also known as: 9-Fluorenone-4-carboxylic acid, 9-Oxofluorene-4-carboxylic acid, 9-Oxo-4-fluorenecarboxylic acid, 4-Carboxy-9-fluorenone

9-Oxo-9H-fluorene-4-carboxylic acid (CAS 6223-83-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H8O3 and a molecular weight of 224.212 g/mol. It is also known as 9-Fluorenone-4-carboxylic acid, 9-Oxofluorene-4-carboxylic acid and 9-Oxo-4-fluorenecarboxylic acid. Key properties include a melting point of 225-227 °C(lit.), a boiling point of 476.5±24.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 256.1±19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6223-83-2
Jingsj CID
J-892133-6
Molecular Formula
C14H8O3
Chinese Name
9-芴酮-4-羧酸
Molecular Weight
224.212 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point225-227 °C(lit.)
Boiling Point476.5±24.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point256.1±19.4 °C

Frequently Asked Questions

What is the CAS number of 9-Oxo-9H-fluorene-4-carboxylic acid?

The CAS number of 9-Oxo-9H-fluorene-4-carboxylic acid is 6223-83-2.

What are the molecular formula and molecular weight of 9-Oxo-9H-fluorene-4-carboxylic acid?

9-Oxo-9H-fluorene-4-carboxylic acid has molecular formula C14H8O3 and molecular weight 224.212 g/mol.

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

Last updated:

How to cite: Jingsj. "9-Oxo-9H-fluorene-4-carboxylic acid (CAS 6223-83-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-892133-6 (accessed 2026-10-22).

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