1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone

3',5'-二氟-4'-三氟甲基苯乙酮

Also known as: 3',5'-Difluoro-4'-(trifluoromethyl)acetophenone, 1-[3,5-difluoro-4-(trifluoromethyl)phenyl]ethanone, 1-[3,5-difluoro-4-(trifluoromethyl)phenyl]ethan-1-one, Ethanone, 1-[3,5-difluoro-4-(trifluoromethyl)phenyl]-, TD1078

1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone (CAS 1189359-39-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H5F5O and a molecular weight of 224.127 g/mol. It is also known as 3',5'-Difluoro-4'-(trifluoromethyl)acetophenone, 1-[3,5-difluoro-4-(trifluoromethyl)phenyl]ethanone and 1-[3,5-difluoro-4-(trifluoromethyl)phenyl]ethan-1-one. Key properties include a boiling point of 232.1±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 87.8±21.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1189359-39-4
Jingsj CID: J-1119932-6
Molecular Formula: C₉H₅F₅O
Chinese Name: 3',5'-二氟-4'-三氟甲基苯乙酮
Molecular Weight: 224.127 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	232.1±40.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	87.8±21.5 °C

Frequently Asked Questions

What is the CAS number of 1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone?

The CAS number of 1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone is 1189359-39-4.

What are the molecular formula and molecular weight of 1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone?

1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone has molecular formula C9H5F5O and molecular weight 224.127 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. "1-(3,5-difluoro-4-(trifluoromethyl)phenyl)ethanone (CAS 1189359-39-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1119932-6 (accessed 2026-10-25).

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