4-Ethynyl-N,N-dimethylaniline

Also known as: 4'-dimethylaminophenyl acetylene, 4-dimethylaminophenylacetylene, 4-ethynyl-N,N-dimethylbenzenamine, Benzenamine, 4-ethynyl-N,N-dimethyl-, 1-ethynyl-4-dimethylaniline, N,N-dimethyl-4-ethynylaniline, p-ethynyl-N,N-dimethylaniline, dimethylanilinoacetylene, (4-ethynyl-phenyl)-dimethyl-amine, 4-ETHYNY-N,N-DIMETHYLANILINE, 4-ETHYNYL-N,N-DIMETHYLBENZENAMINE, N,N-DIMETHYL-4-ETHYNYLBENEZEAMINE, MFCD00168816

4-Ethynyl-N,N-dimethylaniline (CAS 17573-94-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C10H11N and a molecular weight of 145.201 g/mol. Key properties include a melting point of 49-53 °C(lit.), a boiling point of 227.9±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 83.4±19.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 17573-94-3
Jingsj CID: J-1990478-0
Molecular Formula: C₁₀H₁₁N
Molecular Weight: 145.201 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	49-53 °C(lit.)
Boiling Point	227.9±23.0 °C at 760 mmHg
Density	1.0±0.1 g/cm3
Flash Point	83.4±19.5 °C
Exact Mass	145.089142
PSA	3.24000
LogP	2.51
Vapor Pressure	0.1±0.5 mmHg at 25°C
Refractive Index	1.552

Customs & Trade Information

HS Code	2921420090
Summary	HS:2921420090 aniline derivatives and their salts VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Ethynyl-N,N-dimethylaniline?

The CAS number of 4-Ethynyl-N,N-dimethylaniline is 17573-94-3.

What are the molecular formula and molecular weight of 4-Ethynyl-N,N-dimethylaniline?

4-Ethynyl-N,N-dimethylaniline has molecular formula C10H11N and molecular weight 145.201 g/mol.

What are the upstream and downstream products of 4-Ethynyl-N,N-dimethylaniline?

For 4-Ethynyl-N,N-dimethylaniline, Upstream Products: N,N-Dimethyl-4-[(trimethylsilyl)ethynyl]aniline, 4-Ethynylaniline, iodomethane; Downstream Products: Propyne, 4'-Dimethylaminoacetophenone, 4-[2-(4-ethynylphenyl)ethynyl]-N,N-dimethylaniline.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Ethynyl-N,N-dimethylaniline (CAS 17573-94-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990478-0 (accessed 2026-11-09).

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