2-((4-chlorophenyl)ethynyl)benzaldehyde

(2-(4-氯苯基)乙炔基)苯甲醛

Also known as: 2-[(4-chlorophenyl)ethynyl]benzaldehyde, (2-(4-chlorobenzene)acetylene)benzaldehyde, (2 - (4 - chlorobenzene) acetylene) benzaldehyde, Benzaldehyde, 2-[2-(4-chlorophenyl)ethynyl]-, 2-((4-chlorophenyl)ethynyl)benzaldehyde - [C58528]

2-((4-chlorophenyl)ethynyl)benzaldehyde (CAS 1251832-81-1) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H9ClO and a molecular weight of 240.684 g/mol. It is also known as 2-[(4-chlorophenyl)ethynyl]benzaldehyde, (2-(4-chlorobenzene)acetylene)benzaldehyde and (2 - (4 - chlorobenzene) acetylene) benzaldehyde. Key properties include a boiling point of 393.5±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 211.5±14.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1251832-81-1
Jingsj CID
J-1457035-5
Molecular Formula
C15H9ClO
Chinese Name
(2-(4-氯苯基)乙炔基)苯甲醛
Molecular Weight
240.684 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point393.5±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point211.5±14.9 °C

Frequently Asked Questions

What is the CAS number of 2-((4-chlorophenyl)ethynyl)benzaldehyde?

The CAS number of 2-((4-chlorophenyl)ethynyl)benzaldehyde is 1251832-81-1.

What are the molecular formula and molecular weight of 2-((4-chlorophenyl)ethynyl)benzaldehyde?

2-((4-chlorophenyl)ethynyl)benzaldehyde has molecular formula C15H9ClO and molecular weight 240.684 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)ethynyl)benzaldehyde (CAS 1251832-81-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1457035-5 (accessed 2026-10-24).

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