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6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid

6,8-二氯-2-氧代-2H-苯并吡喃-3-羧酸

Also known as: 2H-1-Benzopyran-3-carboxylic acid, 6,8-dichloro-2-oxo-, 6,8-dichloro-2-oxochromene-3-carboxylic acid, 6,8-dichlorocoumarin-3-carboxylic acid, 6,8-dichlorocoumarine-3-carboxylic acid, 6,8-dichloro-3-carboxycoumarin, 6,8-dichlorochromon-3-carboxylic acid, 6,8-diClCcaH

6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid (CAS 2199-86-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H4Cl2O4 and a molecular weight of 259.04200 g/mol. It is also known as 2H-1-Benzopyran-3-carboxylic acid, 6,8-dichloro-2-oxo-, 6,8-dichloro-2-oxochromene-3-carboxylic acid and 6,8-dichlorocoumarin-3-carboxylic acid. Key properties include a melting point of 198ºC, a boiling point of 460.7ºC at 760mmHg, a density of 1.712g/cm3 and a flash point of 232.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2199-86-2
Jingsj CID
J-1029742-5
Molecular Formula
C10H4Cl2O4
Chinese Name
6,8-二氯-2-氧代-2H-苯并吡喃-3-羧酸
Molecular Weight
259.04200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point198ºC
Boiling Point460.7ºC at 760mmHg
Density1.712g/cm3
Flash Point232.4ºC

Frequently Asked Questions

What is the CAS number of 6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid?

The CAS number of 6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid is 2199-86-2.

What are the molecular formula and molecular weight of 6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid?

6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid has molecular formula C10H4Cl2O4 and molecular weight 259.04200 g/mol.

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

Last updated:

How to cite: Jingsj. "6,8-dichloro-2-oxo-2H-chromene-3-carboxylic acid (CAS 2199-86-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1029742-5 (accessed 2026-10-22).

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