2-(4-Chlorophenyl)malondialdehyde

2-(4-氯苯基)丙二醛

Also known as: (4-Chlorophenyl)malonaldehyde, (Z)-2-(4-Chlorophenyl)-3-hydroxyprop-2-enal, 2-(4-Chlorophenyl)propanedial, Propanedial, 2-(4-chlorophenyl)-

2-(4-Chlorophenyl)malondialdehyde (CAS 205676-17-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H7ClO2 and a molecular weight of 182.604 g/mol. It is also known as (4-Chlorophenyl)malonaldehyde, (Z)-2-(4-Chlorophenyl)-3-hydroxyprop-2-enal and 2-(4-Chlorophenyl)propanedial. Key properties include a melting point of 137-143ºC, a boiling point of 269.5±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 111.7±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
205676-17-1
Jingsj CID
J-34246-9
Molecular Formula
C9H7ClO2
Chinese Name
2-(4-氯苯基)丙二醛
Molecular Weight
182.604 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point137-143ºC
Boiling Point269.5±30.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point111.7±25.1 °C

Frequently Asked Questions

What is the CAS number of 2-(4-Chlorophenyl)malondialdehyde?

The CAS number of 2-(4-Chlorophenyl)malondialdehyde is 205676-17-1.

What are the molecular formula and molecular weight of 2-(4-Chlorophenyl)malondialdehyde?

2-(4-Chlorophenyl)malondialdehyde has molecular formula C9H7ClO2 and molecular weight 182.604 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(4-Chlorophenyl)malondialdehyde (CAS 205676-17-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34246-9 (accessed 2026-10-23).

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