6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid

6,8-二甲基-4-氧代-4H-色烯-2-羧酸

Also known as: 6,8-dimethylchromone-2-carboxylic acid, 6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid, 6,8-dimethyl-4-oxochromene-2-carboxylic acid, 4H-1-benzopyran-2-carboxylic acid, 6,8-dimethyl-4-oxo-, TIMTEC-BB SBB005446

6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid (CAS 288399-57-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H10O4 and a molecular weight of 218.20500 g/mol. It is also known as 6,8-dimethylchromone-2-carboxylic acid, 6,8-dimethyl-4-oxochromene-2-carboxylic acid and 4H-1-benzopyran-2-carboxylic acid, 6,8-dimethyl-4-oxo-. Key properties include a melting point of 274-276ºC, a boiling point of 393.111ºC at 760 mmHg, a density of 1.365g/cm3 and a flash point of 156.022ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
288399-57-5
Jingsj CID
J-1504195-5
Molecular Formula
C12H10O4
Chinese Name
6,8-二甲基-4-氧代-4H-色烯-2-羧酸
Molecular Weight
218.20500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point274-276ºC
Boiling Point393.111ºC at 760 mmHg
Density1.365g/cm3
Flash Point156.022ºC

Frequently Asked Questions

What is the CAS number of 6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid?

The CAS number of 6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid is 288399-57-5.

What are the molecular formula and molecular weight of 6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid?

6,8-dimethyl-4-oxo-4H-chromene-2-carboxylic acid has molecular formula C12H10O4 and molecular weight 218.20500 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-dimethyl-4-oxo-4H-chromene-2-carboxylic acid (CAS 288399-57-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1504195-5 (accessed 2026-10-25).

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