6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one

Also known as: 6-acetyl-7-hydroxy-4-methyl-2-chromenone, 6-acetyl-7-hydroxy-4-methyl-2H-1-benzopyran-2-one, 6-acetyl-7-hydroxy-4-methyl-chromen-2-one, 6-acetyl-7-hydroxy-4-methyl-coumarin, 6-acetyl-7-hydroxy-4-methylchromen-2-one, 6-acetyl-7-hydroxy-4-methylcoumarin, 7-hydroxy-6-acetyl-4-methylcoumarin, 4-methyl-6-acetyl-7-hydroxycoumarin

6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 16555-98-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C12H10O4 and a molecular weight of 218.20500 g/mol. Key properties include a boiling point of 439.8ºC at 760 mmHg, a density of 1.322g/cm3 and a flash point of 176.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 16555-98-9
Jingsj CID: J-1075062-6
Molecular Formula: C₁₂H₁₀O₄
Molecular Weight: 218.20500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	439.8ºC at 760 mmHg
Density	1.322g/cm3
Flash Point	176.7ºC
Exact Mass	218.05800
PSA	67.51000
LogP	2.00960
Vapor Pressure	2.39E-08mmHg at 25°C
Refractive Index	1.598

Customs & Trade Information

HS Code	2932209090
Summary	2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one?

The CAS number of 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one is 16555-98-9.

What are the molecular formula and molecular weight of 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one?

6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one has molecular formula C12H10O4 and molecular weight 218.20500 g/mol.

What are the upstream and downstream products of 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one?

For 6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one, Upstream Products: 2,4-Dihydroxyacetophenone, Ethyl acetoacetate, 7-Acetoxy-4-methylcoumarin; Downstream Products: 6-ethyl-7-hydroxy-4-methyl-2H-chromen-2-one, 1-(3-Ethyl-2,6-dihydroxyphenyl)ethanone.

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

Last updated: 8/21/2026

How to cite: Jingsj. "6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one (CAS 16555-98-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1075062-6 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.