2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one

2-氯-1-(2,5-二甲氧基苯基)乙酮

Also known as: 2-Chloro-2',5'-dimethoxyacetophenone, 2-Chloroacetylhydroquinone dimethyl ether, Ethanone, 2-chloro-1-(2,5-dimethoxyphenyl)-, 1-(2,5-Dimethoxyphenyl)-2-chloroethanone, NSC 118988, 2-Chloro-2',5'-dimethoxyphenyl ethanone

2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one (CAS 1204-22-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H11ClO3 and a molecular weight of 214.64600 g/mol. It is also known as 2-Chloro-2',5'-dimethoxyacetophenone, 2-Chloroacetylhydroquinone dimethyl ether and Ethanone, 2-chloro-1-(2,5-dimethoxyphenyl)-. Key properties include a boiling point of 318.7ºC at 760 mmHg, a density of 1.19g/cm3 and a flash point of 134.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1204-22-4
Jingsj CID: J-1450227-1
Molecular Formula: C₁₀H₁₁ClO₃
Chinese Name: 2-氯-1-(2,5-二甲氧基苯基)乙酮
Molecular Weight: 214.64600 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	318.7ºC at 760 mmHg
Density	1.19g/cm3
Flash Point	134.9ºC

Frequently Asked Questions

What is the CAS number of 2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one?

The CAS number of 2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one is 1204-22-4.

What are the molecular formula and molecular weight of 2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one?

2-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one has molecular formula C10H11ClO3 and molecular weight 214.64600 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-Chloro-1-(2,5-dimethoxyphenyl)ethan-1-one (CAS 1204-22-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1450227-1 (accessed 2026-10-25).

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