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8-methoxy-2-oxo-2H-chromene-3-carboxylic acid

8-甲氧基-2-氧代-2H-色烯-3-羧酸

Also known as: 2H-1-Benzopyran-3-carboxylic acid, 8-methoxy-2-oxo-, 8-methoxy-2-oxochromene-3-carboxylic acid, 8-methoxy coumarin-3-carboxylic acid, AKOS BBS-00003094, RARECHEM AB KA K012, TIMTEC-BB SBB009306, ART-CHEM-BB B013789

8-methoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 2555-20-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H8O5 and a molecular weight of 220.17800 g/mol. It is also known as 2H-1-Benzopyran-3-carboxylic acid, 8-methoxy-2-oxo-, 8-methoxy-2-oxochromene-3-carboxylic acid and 8-methoxy coumarin-3-carboxylic acid. Key properties include a melting point of 214ºC, a boiling point of 439ºC at 760 mmHg, a density of 1.454 g/cm3 and a flash point of 178.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2555-20-6
Jingsj CID
J-1340743-2
Molecular Formula
C11H8O5
Chinese Name
8-甲氧基-2-氧代-2H-色烯-3-羧酸
Molecular Weight
220.17800 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point214ºC
Boiling Point439ºC at 760 mmHg
Density1.454 g/cm3
Flash Point178.8ºC

Frequently Asked Questions

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

The CAS number of 8-methoxy-2-oxo-2H-chromene-3-carboxylic acid is 2555-20-6.

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

8-methoxy-2-oxo-2H-chromene-3-carboxylic acid has molecular formula C11H8O5 and molecular weight 220.17800 g/mol.

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

Last updated:

How to cite: Jingsj. "8-methoxy-2-oxo-2H-chromene-3-carboxylic acid (CAS 2555-20-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340743-2 (accessed 2026-10-22).

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