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4-(phenylethynyl)benzonitrile

Also known as: 4-(2-phenylethynyl)benzonitrile, (4-cyanophenyl)phenylacetylene, (p-cyanophenyl)phenylacetylene, 1-(4-Cyanophenyl)-2-phenylacetylene, 1-(4-Cyanophenyl)-2-phenylethyne, 1-Phenyl-2-(4-cyanophenyl)acetylene, 1-cyano-4-(2-phenylethynyl)benzene, 1-cyano-4-phenylethynylbenzene, 4-(2-phenyleth-1-ynyl)benzonitrile, 4-Phenylethynyl-benzonitrile, Benzonitrile, 4-(2-phenylethynyl)-

4-(phenylethynyl)benzonitrile (CAS 29822-79-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C15H9N and a molecular weight of 203.23900 g/mol. Key properties include a boiling point of 369.6ºC at 760 mmHg, a density of 1.15g/cm3 and a flash point of 178.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
29822-79-5
Jingsj CID
J-1524284-9
Molecular Formula
C15H9N
Molecular Weight
203.23900 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point369.6ºC at 760 mmHg
Density1.15g/cm3
Flash Point178.3ºC
Exact Mass203.07300
PSA23.79000
LogP2.95808
Vapor Pressure1.18E-05mmHg at 25°C
Refractive Index1.637

Frequently Asked Questions

What is the CAS number of 4-(phenylethynyl)benzonitrile?

The CAS number of 4-(phenylethynyl)benzonitrile is 29822-79-5.

What are the molecular formula and molecular weight of 4-(phenylethynyl)benzonitrile?

4-(phenylethynyl)benzonitrile has molecular formula C15H9N and molecular weight 203.23900 g/mol.

What are the upstream and downstream products of 4-(phenylethynyl)benzonitrile?

For 4-(phenylethynyl)benzonitrile, Upstream Products: 4-Chlorobenzonitrile, Phenylacetylene, 4-Iodobenzonitrile; Downstream Products: 2-Phenylbenzoxazole, 4-(2-Benzoxazolyl)benzonitrile, 4-Cyanostilbene.

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

Last updated:

How to cite: Jingsj. "4-(phenylethynyl)benzonitrile (CAS 29822-79-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524284-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.