3-(3,5-Difluorophenyl)-3-oxopropanenitrile

3-(3,5-二氟苯基)-3-氧代丙腈

Also known as: 3,5-Difluorobenzoylacetonitrile, 3,5-Difluoro-β-oxobenzenepropanenitrile, Benzenepropanenitrile, 3,5-difluoro-β-oxo-

3-(3,5-Difluorophenyl)-3-oxopropanenitrile (CAS 842140-51-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H5F2NO and a molecular weight of 181.139 g/mol. It is also known as 3,5-Difluorobenzoylacetonitrile, 3,5-Difluoro-β-oxobenzenepropanenitrile and Benzenepropanenitrile, 3,5-difluoro-β-oxo-. Key properties include a melting point of 102-105ºC, a boiling point of 303.7±32.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 137.5±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 842140-51-6
Jingsj CID: J-923100-5
Molecular Formula: C₉H₅F₂NO
Chinese Name: 3-(3,5-二氟苯基)-3-氧代丙腈
Molecular Weight: 181.139 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	102-105ºC
Boiling Point	303.7±32.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	137.5±25.1 °C

Frequently Asked Questions

What is the CAS number of 3-(3,5-Difluorophenyl)-3-oxopropanenitrile?

The CAS number of 3-(3,5-Difluorophenyl)-3-oxopropanenitrile is 842140-51-6.

What are the molecular formula and molecular weight of 3-(3,5-Difluorophenyl)-3-oxopropanenitrile?

3-(3,5-Difluorophenyl)-3-oxopropanenitrile has molecular formula C9H5F2NO and molecular weight 181.139 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-(3,5-Difluorophenyl)-3-oxopropanenitrile (CAS 842140-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-923100-5 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.