1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene

1-乙基-4-[2-(4-己基苯基)乙炔基]苯

Also known as: 1-ETHYL-4-[2-(4-N-HEXYLPHENYL)ETHYNYL]BENZENE, 1-Ethyl-4-2-4-N-Hexylphenyl-1-Ethynyl, 1-Ethyl-4-[(4-n-hexylphenyl)ethynyl]benzene, 1-Ethyl-4-[(4-n-hexylphenyl)ethynyl]benzene, 99+%, 1-Ethyl-4-[2-(4-n-hexylphenyl)-1-ethynyl]benzene, 1-Ethyl-4-[2-(4-n-hexylphenyl)ethynyl]benzene, 1-ethyl-4-[2-(4-hexylphenyl)ethynyl]benzene, 4-Ethyl-4'-hexyldiphenyl acetylene, 4-Ethyl-4'-n-hexyltolane, Benzene, 1-ethyl-4-[2-(4-hexylphenyl)ethynyl]-

1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene (CAS 117923-34-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C22H26 and a molecular weight of 290.442 g/mol. It is also known as 1-ETHYL-4-[2-(4-N-HEXYLPHENYL)ETHYNYL]BENZENE, 1-Ethyl-4-2-4-N-Hexylphenyl-1-Ethynyl and 1-Ethyl-4-[(4-n-hexylphenyl)ethynyl]benzene. Key properties include a melting point of 11ºC, a boiling point of 411.4±34.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 200.5±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
117923-34-9
Jingsj CID
J-34008-5
Molecular Formula
C22H26
Chinese Name
1-乙基-4-[2-(4-己基苯基)乙炔基]苯
Molecular Weight
290.442 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point11ºC
Boiling Point411.4±34.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point200.5±19.8 °C

Frequently Asked Questions

What is the CAS number of 1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene?

The CAS number of 1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene is 117923-34-9.

What are the molecular formula and molecular weight of 1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene?

1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene has molecular formula C22H26 and molecular weight 290.442 g/mol.

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

Last updated:

How to cite: Jingsj. "1-Ethyl-4-[(4-hexylphenyl)ethynyl]benzene (CAS 117923-34-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34008-5 (accessed 2026-10-23).

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