(E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one

2-羟基查耳酮

Also known as: 2-Hydroxychalcone, trans-2-Hydroxychalcone, 2-HYDROXYBENZYLIDENE ACETOPHENONE, SALICYLALACETOPHENONE, BENZYLIDENE-2-HYDROXYACETOPHENONE, 2-(2-HYDROXYBENZAL)ACETOPHENONE, 3-(2-Hydroxyphenyl)-1-phenylpropenone, NSC 640539, MFCD00016449

(E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one (CAS 42224-53-3) 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 2-Hydroxychalcone, trans-2-Hydroxychalcone and 2-HYDROXYBENZYLIDENE ACETOPHENONE. Key properties include a melting point of 144-150 °C(lit.), a boiling point of 396.3ºC at 760 mmHg, a density of 1.191 g/cm3 and a flash point of 169.3ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 42224-53-3
Jingsj CID: J-1173234-1
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	144-150 °C(lit.)
Boiling Point	396.3ºC at 760 mmHg
Density	1.191 g/cm3
Flash Point	169.3ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of (E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one?

The CAS number of (E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one is 42224-53-3.

What are the molecular formula and molecular weight of (E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one?

(E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one has molecular formula C15H12O2 and molecular weight 224.25500 g/mol.

Is (E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one hazardous?

(E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one has GHS signal word Warning.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(E)-3-(2-Hydroxyphenyl)-1-phenyl-2-propen-1-one (CAS 42224-53-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1173234-1 (accessed 2026-10-25).

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