4'-Chlorochalcone

Also known as: Benzylidene p-chloroacetophenone, Benzilidene-4-chloroacetophenone, Benzylidene(4-chloroacetophenone), (E)-1-(4-Chlorophenyl)-3-phenylprop-2-en-1-one, 1-(4-Chlorophenyl)-3-phenyl-2-propen-1-one, 4-Chlorophenylstyryl ketone, Styryl 4-chlorophenyl ketone, Ketone, p-chlorophenyl styryl, JRH-08101

4'-Chlorochalcone (CAS 956-02-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C15H11ClO and a molecular weight of 242.700 g/mol. Key properties include a melting point of 97-101 °C(lit.), a boiling point of 386.8±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 212.1±19.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 956-02-5
Jingsj CID: J-6266-8
Molecular Formula: C₁₅H₁₁ClO
Molecular Weight: 242.700 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	97-101 °C(lit.)
Boiling Point	386.8±42.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	212.1±19.0 °C
Exact Mass	242.049850
PSA	17.07000
LogP	4.78
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.632

Customs & Trade Information

HS Code	2914700090
Summary	HS: 2914700090 halogenated, sulphonated, nitrated or nitrosated derivatives of ketones and quinones, whether or not with other oxygen function Tax rebate rate:9.0% Supervision conditions:none VAT:17.0% MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4'-Chlorochalcone?

The CAS number of 4'-Chlorochalcone is 956-02-5.

What are the molecular formula and molecular weight of 4'-Chlorochalcone?

4'-Chlorochalcone has molecular formula C15H11ClO and molecular weight 242.700 g/mol.

What are the upstream and downstream products of 4'-Chlorochalcone?

For 4'-Chlorochalcone, Upstream Products: Cinnamoyl chloride, Chlorobenzene, 1-(4-Chlorophenyl)ethanone; Downstream Products: 4-Chlorobenzoic acid, Cinnamonitrile, benzoic acid.

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'-Chlorochalcone (CAS 956-02-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6266-8 (accessed 2026-11-09).

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