2-Chloro-1-(3,4-difluorophenyl)ethanone

2-氯-1-(3,4-二氟苯基)乙酮

Also known as: 2-Chloro-1-(3,4-difluorophenyl)ethan-1-one, 2-Chloro-3',4'-difluoroacetophenone, 3,4-Difluorophenacyl chloride, α-Chloro-3,4-difluoroacetophenone, α-Chloro-3',4'-difluoroacetophenone, Fluconazole Impurity 6, Ticagrelor Impurity 148

2-Chloro-1-(3,4-difluorophenyl)ethanone (CAS 51336-95-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5ClF2O and a molecular weight of 190.574 g/mol. It is also known as 2-Chloro-1-(3,4-difluorophenyl)ethan-1-one, 2-Chloro-3',4'-difluoroacetophenone and 3,4-Difluorophenacyl chloride. Key properties include a boiling point of 256.3±25.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 108.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 51336-95-9
Jingsj CID: J-1358436-0
Molecular Formula: C₈H₅ClF₂O
Chinese Name: 2-氯-1-(3,4-二氟苯基)乙酮
Molecular Weight: 190.574 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	256.3±25.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	108.8±23.2 °C

Frequently Asked Questions

What is the CAS number of 2-Chloro-1-(3,4-difluorophenyl)ethanone?

The CAS number of 2-Chloro-1-(3,4-difluorophenyl)ethanone is 51336-95-9.

What are the molecular formula and molecular weight of 2-Chloro-1-(3,4-difluorophenyl)ethanone?

2-Chloro-1-(3,4-difluorophenyl)ethanone has molecular formula C8H5ClF2O and molecular weight 190.574 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. "2-Chloro-1-(3,4-difluorophenyl)ethanone (CAS 51336-95-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1358436-0 (accessed 2026-10-22).

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