8-Hydroxy-7-methoxyflavone

Also known as: 8-Hydroxy-7-methoxy-2-phenyl-4H-chromen-4-one, 7-Methoxy-8-hydroxyflavone, 8-Hydroxy-7-methoxy-2-phenyl-chromen-4-one, 7-METHOXY-8-HYDROXYFLAVONE

8-Hydroxy-7-methoxyflavone (CAS 40316-76-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C16H12O4 and a molecular weight of 268.26400 g/mol. Key properties include a melting point of 226-227ºC, a boiling point of 464.6ºC at 760mmHg, a density of 1.329g/cm3 and a flash point of 177.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 40316-76-5
Jingsj CID: J-1422591-3
Molecular Formula: C₁₆H₁₂O₄
Molecular Weight: 268.26400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	226-227ºC
Boiling Point	464.6ºC at 760mmHg
Density	1.329g/cm3
Flash Point	177.1ºC
Exact Mass	268.07400
PSA	59.67000
LogP	3.17420
Refractive Index	1.641

Customs & Trade Information

HS Code	2914509090
Summary	HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 8-Hydroxy-7-methoxyflavone?

The CAS number of 8-Hydroxy-7-methoxyflavone is 40316-76-5.

What are the molecular formula and molecular weight of 8-Hydroxy-7-methoxyflavone?

8-Hydroxy-7-methoxyflavone has molecular formula C16H12O4 and molecular weight 268.26400 g/mol.

What are the upstream and downstream products of 8-Hydroxy-7-methoxyflavone?

For 8-Hydroxy-7-methoxyflavone, Upstream Products: 1-(2,3-Dihydroxy-4-methoxyphenyl)ethanone, Benzoic anhydride; Downstream Products: 7,8-Dimethoxyflavone.

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. "8-Hydroxy-7-methoxyflavone (CAS 40316-76-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422591-3 (accessed 2026-11-09).

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