1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one

Also known as: 4-ACETYL-2',4'-DICHLOROPHENYL ETHER, 1-(4-(2,4-DICHLOROPHENOXY)PHENYL)ETHANONE, 1-[4-(2,4-DICHLOROPHENOXY)PHENYL]ETHAN-1-ONE, 4'-(2,4-Dichlorophenoxy)acetophenone

1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one (CAS 129644-21-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C14H10Cl2O2 and a molecular weight of 281.13400 g/mol. Key properties include a melting point of 71ºC, a boiling point of 374ºC at 760 mmHg, a density of 1.304g/cm3 and a flash point of 149ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 129644-21-9
Jingsj CID: J-1446682-1
Molecular Formula: C₁₄H₁₀Cl₂O₂
Molecular Weight: 281.13400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	71ºC
Boiling Point	374ºC at 760 mmHg
Density	1.304g/cm3
Flash Point	149ºC
Exact Mass	280.00600
PSA	26.30000
LogP	4.98830
Vapor Pressure	8.59E-06mmHg at 25°C
Refractive Index	1.588

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 1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one?

The CAS number of 1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one is 129644-21-9.

What are the molecular formula and molecular weight of 1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one?

1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one has molecular formula C14H10Cl2O2 and molecular weight 281.13400 g/mol.

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. "1-[4-(2,4-Dichlorophenoxy)phenyl]ethan-1-one (CAS 129644-21-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446682-1 (accessed 2026-10-29).

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