3,5-Dihydroxyflavone

3,5-二羟基黄酮

Also known as: 3,5-Dihydroxy-2-phenyl-chromen-4-one, 3,5-Dihydroxyflavon, 3,5-dihydroxy-2-phenylchromen-4-one, 4H-1-Benzopyran-4-one, 3,5-dihydroxy-2-phenyl-, dihydroxy flavone

3,5-Dihydroxyflavone (CAS 6665-69-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O4 and a molecular weight of 254.23700 g/mol. It is also known as 3,5-Dihydroxy-2-phenyl-chromen-4-one, 3,5-Dihydroxyflavon and 3,5-dihydroxy-2-phenylchromen-4-one. Key properties include a boiling point of 451.8ºC at 760 mmHg, a density of 1.472g/cm3 and a flash point of 175.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 6665-69-6
Jingsj CID: J-1108337-3
Molecular Formula: C₁₅H₁₀O₄
Chinese Name: 3,5-二羟基黄酮
Molecular Weight: 254.23700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	451.8ºC at 760 mmHg
Density	1.472g/cm3
Flash Point	175.4ºC

Frequently Asked Questions

What is the CAS number of 3,5-Dihydroxyflavone?

The CAS number of 3,5-Dihydroxyflavone is 6665-69-6.

What are the molecular formula and molecular weight of 3,5-Dihydroxyflavone?

3,5-Dihydroxyflavone has molecular formula C15H10O4 and molecular weight 254.23700 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. "3,5-Dihydroxyflavone (CAS 6665-69-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1108337-3 (accessed 2026-10-24).

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