3-(4-Fluorophenyl)-3-oxopropanenitrile

4-氟苯甲酰基乙腈

Also known as: 4-Fluorobenzoylacetonitrile, 3-(4-Fluorophenyl)-3-oxopropionitrile, 3-(4-Fluorphenyl)-3-oxopropanonitril, 4-Fluorophenacyl cyanide, 3-Oxo-3-(4-fluorophenyl)propionitrile, Benzenepropanenitrile, 4-fluoro-β-oxo-, p-Fluorobenzoylacetonitrile

3-(4-Fluorophenyl)-3-oxopropanenitrile (CAS 4640-67-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H6FNO and a molecular weight of 163.148 g/mol. It is also known as 4-Fluorobenzoylacetonitrile, 3-(4-Fluorophenyl)-3-oxopropionitrile and 3-(4-Fluorphenyl)-3-oxopropanonitril. Key properties include a melting point of 84-88 °C, a boiling point of 311.9±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 142.4±22.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4640-67-9
Jingsj CID
J-13645-9
Molecular Formula
C9H6FNO
Chinese Name
4-氟苯甲酰基乙腈
Molecular Weight
163.148 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point84-88 °C
Boiling Point311.9±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point142.4±22.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-(4-Fluorophenyl)-3-oxopropanenitrile?

The CAS number of 3-(4-Fluorophenyl)-3-oxopropanenitrile is 4640-67-9.

What are the molecular formula and molecular weight of 3-(4-Fluorophenyl)-3-oxopropanenitrile?

3-(4-Fluorophenyl)-3-oxopropanenitrile has molecular formula C9H6FNO and molecular weight 163.148 g/mol.

Is 3-(4-Fluorophenyl)-3-oxopropanenitrile hazardous?

3-(4-Fluorophenyl)-3-oxopropanenitrile has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-(4-Fluorophenyl)-3-oxopropanenitrile (CAS 4640-67-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-13645-9 (accessed 2026-10-22).

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