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4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline

Also known as: 4-((4-ethynylphenyl)ethynyl)-N,N-dimethylbenzenamine, 4-((4-ethynylphenyl)ethynyl)-N,N-dimethylaniline, 4-(4-ethynylphenylethynyl)-N,N-dimethylaniline, 1-(p-N,N-dimethylaminophenyl)-2-(p-ethynylphenyl)ethyne, [4-(4-ethynyl-phenylethynyl)phenyl]dimethylamine, Benzenamine, 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethyl-

4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline (CAS 778593-53-6) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C18H15N and a molecular weight of 245.318 g/mol. Key properties include a boiling point of 389.1±27.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 169.5±20.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
778593-53-6
Jingsj CID
J-1491564-1
Molecular Formula
C18H15N
Molecular Weight
245.318 g/mol
Category
Organic Bases
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point389.1±27.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point169.5±20.6 °C
Exact Mass245.120453
PSA3.24000
LogP5.07
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.628

Frequently Asked Questions

What is the CAS number of 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline?

The CAS number of 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline is 778593-53-6.

What are the molecular formula and molecular weight of 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline?

4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline has molecular formula C18H15N and molecular weight 245.318 g/mol.

What are the upstream and downstream products of 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline?

For 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline, Upstream Products: 4-Iodo-N,N-dimethylaniline, 4-Ethynyl-N,N-dimethylaniline; Downstream Products: N,N-Dimethyl-4-((4-((4-((trimethylsilyl)ethynyl)phenyl)ethynyl)phenyl)ethynyl)aniline.

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-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline (CAS 778593-53-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1491564-1 (accessed 2026-11-09).

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