4,2'-Dihydroxychalcone

Also known as: 1-(2-Hydroxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one, (E)-1-(2-Hydroxyphenyl)-3-(4-hydroxyphenyl)prop-2-en-1-one, 2',4-Dihydroxychalcone, NSC 73255, 3-(4-Hydroxyphenyl)-1-(2-hydroxyphenyl)-2-propen-1-one

4,2'-Dihydroxychalcone (CAS 13323-66-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H12O3 and a molecular weight of 240.25400 g/mol. Key properties include a boiling point of 445.5ºC at 760 mmHg, a density of 1.286g/cm3 and a flash point of 237.4ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 13323-66-5
Jingsj CID: J-3896-0
Molecular Formula: C₁₅H₁₂O₃
Molecular Weight: 240.25400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	445.5ºC at 760 mmHg
Density	1.286g/cm3
Flash Point	237.4ºC
Exact Mass	240.07900
PSA	57.53000
LogP	2.99390
Vapor Pressure	1.49E-08mmHg at 25°C
Refractive Index	1.684

Customs & Trade Information

HS Code	2914501900
Summary	2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4,2'-Dihydroxychalcone?

The CAS number of 4,2'-Dihydroxychalcone is 13323-66-5.

What are the molecular formula and molecular weight of 4,2'-Dihydroxychalcone?

4,2'-Dihydroxychalcone has molecular formula C15H12O3 and molecular weight 240.25400 g/mol.

What are the upstream and downstream products of 4,2'-Dihydroxychalcone?

For 4,2'-Dihydroxychalcone, Upstream Products: 2'-Hydroxyacetophenone, 4-Hydroxybenzaldehyde, 4-((tetrahydro-2H-pyran-2-yl)oxy)benzaldehyde; Downstream Products: 4'-Hydroxyflavanone, 4'-Hydroxyflavone.

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. "4,2'-Dihydroxychalcone (CAS 13323-66-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3896-0 (accessed 2026-11-09).

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