3,4'-Dihydroxyflavone

3,4'-二羟基黄酮

Also known as: 3,4'-Dihydroxyflavone, 3-Hydroxy-2-(4-hydroxyphenyl)chromone, 4'-Hydroxyflavonol, 3,4'-DHF, 4H-1-Benzopyran-4-one, 3-hydroxy-2-(4-hydroxyphenyl)-, 4',3-Dihydroxyflavone

3,4'-Dihydroxyflavone (CAS 14919-49-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H10O4 and a molecular weight of 254.24 g/mol. It is also known as 3-Hydroxy-2-(4-hydroxyphenyl)chromone, 4'-Hydroxyflavonol and 3,4'-DHF. Key properties include a melting point of 275-276ºC, a boiling point of 452.5ºC at 760mmHg, a density of 1.472g/cm3 and a flash point of 175.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14919-49-4
Jingsj CID: J-20593-9
Molecular Formula: C₁₅H₁₀O₄
Chinese Name: 3,4'-二羟基黄酮
Molecular Weight: 254.24 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	275-276ºC
Boiling Point	452.5ºC at 760mmHg
Density	1.472g/cm3
Flash Point	175.7ºC

Frequently Asked Questions

What is the CAS number of 3,4'-Dihydroxyflavone?

The CAS number of 3,4'-Dihydroxyflavone is 14919-49-4.

What are the molecular formula and molecular weight of 3,4'-Dihydroxyflavone?

3,4'-Dihydroxyflavone has molecular formula C15H10O4 and molecular weight 254.24 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. "3,4'-Dihydroxyflavone (CAS 14919-49-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20593-9 (accessed 2026-10-23).

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