1-Phenyl-2-(pyridin-4-yl)ethanone

Also known as: 1-PHENYL-2-PYRIDIN-4-YL-ETHANONE, 1-Phenyl-2-(4-pyridinyl)ethanone, 1-Phenyl-2-(4-pyridinyl)-ethanone, 2-(4-Pyridyl)acetophenone, 4-Phenacylpyridine, Ethanone, 1-phenyl-2-(4-pyridinyl)-, 1-phenyl-2-(pyridin-4-yl)ethan-1-one, 1-phenyl-2-(4-pyridyl)ethanone, 4-pyridyl-acetophenone, 2-(4-pyridinyl)-1-phenylethanone, 4-(phenylacetylmethyl)pyridine

1-Phenyl-2-(pyridin-4-yl)ethanone (CAS 1620-55-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H11NO and a molecular weight of 197.23300 g/mol. Key properties include a boiling point of 350.3ºC at 760 mmHg, a density of 1.127 g/cm3 and a flash point of 173.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1620-55-9
Jingsj CID: J-1446779-9
Molecular Formula: C₁₃H₁₁NO
Molecular Weight: 197.23300 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	350.3ºC at 760 mmHg
Density	1.127 g/cm3
Flash Point	173.5ºC
Exact Mass	197.08400
PSA	29.96000
LogP	2.50700
Vapor Pressure	4.44E-05mmHg at 25°C
Refractive Index	1.588

Customs & Trade Information

HS Code	2933399090
Summary	2933399090. 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 1-Phenyl-2-(pyridin-4-yl)ethanone?

The CAS number of 1-Phenyl-2-(pyridin-4-yl)ethanone is 1620-55-9.

What are the molecular formula and molecular weight of 1-Phenyl-2-(pyridin-4-yl)ethanone?

1-Phenyl-2-(pyridin-4-yl)ethanone has molecular formula C13H11NO and molecular weight 197.23300 g/mol.

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. "1-Phenyl-2-(pyridin-4-yl)ethanone (CAS 1620-55-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1446779-9 (accessed 2026-11-09).

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