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

3,4-二氯-5-三氟甲基苯乙酮

Also known as: 1-(3,4-Dichloro-5-(trifluoroMethyl)phenyl)ethanone, 1-[3,4-Dichloro-5-(trifluoromethyl)phenyl]ethanone, 1-[3,4-dichloro-5-(trifluoromethyl)phenyl]ethan-1-one, 3',4'-Dichloro-5'-(trifluoromethyl)acetophenone, 3,4-dichloro-5-trifluoromethylacetophenone, Ethanone, 1-[3,4-dichloro-5-(trifluoromethyl)phenyl]-, FXFFR BG CG EV1

1-(3,4-Dichloro-5-(trifluoromethyl)phenyl)ethanone (CAS 1261645-17-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H5Cl2F3O and a molecular weight of 257.037 g/mol. It is also known as 1-(3,4-Dichloro-5-(trifluoroMethyl)phenyl)ethanone, 1-[3,4-Dichloro-5-(trifluoromethyl)phenyl]ethanone and 1-[3,4-dichloro-5-(trifluoromethyl)phenyl]ethan-1-one. Key properties include a boiling point of 271.8±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 118.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1261645-17-3
Jingsj CID
J-1454497-4
Molecular Formula
C9H5Cl2F3O
Chinese Name
3,4-二氯-5-三氟甲基苯乙酮
Molecular Weight
257.037 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point271.8±40.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point118.2±27.3 °C

Frequently Asked Questions

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

The CAS number of 1-(3,4-Dichloro-5-(trifluoromethyl)phenyl)ethanone is 1261645-17-3.

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

1-(3,4-Dichloro-5-(trifluoromethyl)phenyl)ethanone has molecular formula C9H5Cl2F3O and molecular weight 257.037 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(3,4-Dichloro-5-(trifluoromethyl)phenyl)ethanone (CAS 1261645-17-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1454497-4 (accessed 2026-10-27).

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