4-Hydroxy-6,7-dimethylcoumarin

4-羟基-6,7-二甲基香豆素

Also known as: 2H-1-Benzopyran-2-one, 4-hydroxy-6,7-dimethyl-, 4-hydroxy-6,7-dimethyl-2H-chromen-2-one, 4-hydroxy-6,7-dimethylchromen-2-one, 6,7-dimethyl-4-hydroxycoumarin, 2-hydroxy-6,7-dimethyl-1-benzopyran-4-one

4-Hydroxy-6,7-dimethylcoumarin (CAS 55004-77-8) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C11H10O3 and a molecular weight of 190.19500 g/mol. It is also known as 2H-1-Benzopyran-2-one, 4-hydroxy-6,7-dimethyl-, 4-hydroxy-6,7-dimethyl-2H-chromen-2-one and 4-hydroxy-6,7-dimethylchromen-2-one. Key properties include a melting point of 248-251ºC(lit.), a boiling point of 378.1ºC at 760 mmHg, a density of 1.315 g/cm3 and a flash point of 170.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 55004-77-8
Jingsj CID: J-17992-8
Molecular Formula: C₁₁H₁₀O₃
Chinese Name: 4-羟基-6,7-二甲基香豆素
Molecular Weight: 190.19500 g/mol
Category: Organic Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	248-251ºC(lit.)
Boiling Point	378.1ºC at 760 mmHg
Density	1.315 g/cm3
Flash Point	170.7ºC

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-6,7-dimethylcoumarin?

The CAS number of 4-Hydroxy-6,7-dimethylcoumarin is 55004-77-8.

What are the molecular formula and molecular weight of 4-Hydroxy-6,7-dimethylcoumarin?

4-Hydroxy-6,7-dimethylcoumarin has molecular formula C11H10O3 and molecular weight 190.19500 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Hydroxy-6,7-dimethylcoumarin (CAS 55004-77-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17992-8 (accessed 2026-10-23).

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