5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde

5-氟-2-[(4-甲基苯基)乙炔基]苯甲醛

Also known as: 5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde, 5-fluoro-2-(p-tolylethynyl)benzaldehyde, 5-fluoro-2-[2-(4-methylphenyl)ethynyl]benzaldehyde, benzaldehyde, 5-fluoro-2-[2-(4-methylphenyl)ethynyl]-

5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde (CAS 1322091-23-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C16H11FO and a molecular weight of 238.256 g/mol. It is also known as 5-fluoro-2-(p-tolylethynyl)benzaldehyde, 5-fluoro-2-[2-(4-methylphenyl)ethynyl]benzaldehyde and benzaldehyde, 5-fluoro-2-[2-(4-methylphenyl)ethynyl]-. Key properties include a boiling point of 372.4±42.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 170.5±18.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1322091-23-5
Jingsj CID
J-1465304-3
Molecular Formula
C16H11FO
Chinese Name
5-氟-2-[(4-甲基苯基)乙炔基]苯甲醛
Molecular Weight
238.256 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point372.4±42.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point170.5±18.1 °C

Frequently Asked Questions

What is the CAS number of 5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde?

The CAS number of 5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde is 1322091-23-5.

What are the molecular formula and molecular weight of 5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde?

5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde has molecular formula C16H11FO and molecular weight 238.256 g/mol.

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

Last updated:

How to cite: Jingsj. "5-fluoro-2-[(4-methylphenyl)ethynyl]benzaldehyde (CAS 1322091-23-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1465304-3 (accessed 2026-10-25).

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