2-Hydroxychalcone

2-羟基查耳酮

Also known as: (E)-3-(2-Hydroxyphenyl)-1-phenylprop-2-en-1-one, Benzylidene-2-hydroxyacetophenone, Salicylalacetophenone, 2-(2-Hydroxybenzylidene)acetophenone, 2-Hydroxybenzalacetophenone, 2-Hydroxybenzylidene acetophenone, 3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one, HYDROXYCHALCONE, 2-, EINECS 211-422-1, MFCD00016449

2-Hydroxychalcone (CAS 644-78-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12O2 and a molecular weight of 224.25500 g/mol. It is also known as (E)-3-(2-Hydroxyphenyl)-1-phenylprop-2-en-1-one, Benzylidene-2-hydroxyacetophenone and Salicylalacetophenone. Key properties include a melting point of 144-150ºC(lit.), a boiling point of 396.566ºC at 760 mmHg, a density of 1.191g/cm3 and a flash point of 169.35ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 644-78-0
Jingsj CID: J-43522-6
Molecular Formula: C₁₅H₁₂O₂
Chinese Name: 2-羟基查耳酮
Molecular Weight: 224.25500 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	144-150ºC(lit.)
Boiling Point	396.566ºC at 760 mmHg
Density	1.191g/cm3
Flash Point	169.35ºC

Frequently Asked Questions

What is the CAS number of 2-Hydroxychalcone?

The CAS number of 2-Hydroxychalcone is 644-78-0.

What are the molecular formula and molecular weight of 2-Hydroxychalcone?

2-Hydroxychalcone has molecular formula C15H12O2 and molecular weight 224.25500 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. "2-Hydroxychalcone (CAS 644-78-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43522-6 (accessed 2026-10-22).

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