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3-(2-Phenylethynyl)pyridine

Also known as: 3-Phenylethynyl-pyridine, 3-(Phenylethynyl)pyridine, (3-phenylethynyl)pyridine, 1-phenyl-2-(3-pyridyl)acetylene, 3-pyridine phenyl acetylene, Pyridine, 3-(2-phenylethynyl)-

3-(2-Phenylethynyl)pyridine (CAS 13238-38-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H9N and a molecular weight of 179.217 g/mol. Key properties include a boiling point of 324.2±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 140.2±13.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13238-38-5
Jingsj CID
J-1011765-4
Molecular Formula
C13H9N
Molecular Weight
179.217 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point324.2±15.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point140.2±13.0 °C
Exact Mass179.073502
PSA12.89000
LogP3.29
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.627

Customs & Trade Information

HS Code2933399090
Summary2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 3-(2-Phenylethynyl)pyridine?

The CAS number of 3-(2-Phenylethynyl)pyridine is 13238-38-5.

What are the molecular formula and molecular weight of 3-(2-Phenylethynyl)pyridine?

3-(2-Phenylethynyl)pyridine has molecular formula C13H9N and molecular weight 179.217 g/mol.

What are the upstream and downstream products of 3-(2-Phenylethynyl)pyridine?

For 3-(2-Phenylethynyl)pyridine, Upstream Products: 3-Bromopyridine, Phenylpropiolic acid, 3-Chloropyridine.

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

Last updated:

How to cite: Jingsj. "3-(2-Phenylethynyl)pyridine (CAS 13238-38-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1011765-4 (accessed 2026-11-09).

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