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1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone

2-氯-5-(三氟甲基)苯乙酮

Also known as: 1-(2-chloro-5-(trifluoromethyl)phenyl)ethanone, 2'-chloro-5'-(trifluoromethyl)acetophenone, 3-Acetyl-4-chlorobenzotrifluoride, Ethanone, 1-[2-chloro-5-(trifluoromethyl)phenyl]-, Acetophenone, 2'-chloro-5'-(trifluoromethyl)-, MFCD00045092, NISTC71648458

1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone (CAS 71648-45-8) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H6ClF3O and a molecular weight of 222.592 g/mol. It is also known as 1-(2-chloro-5-(trifluoromethyl)phenyl)ethanone, 2'-chloro-5'-(trifluoromethyl)acetophenone and 3-Acetyl-4-chlorobenzotrifluoride. Key properties include a boiling point of 193.4±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 70.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71648-45-8
Jingsj CID
J-5821-6
Molecular Formula
C9H6ClF3O
Chinese Name
2-氯-5-(三氟甲基)苯乙酮
Molecular Weight
222.592 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point193.4±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point70.8±25.9 °C

Frequently Asked Questions

What is the CAS number of 1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone?

The CAS number of 1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone is 71648-45-8.

What are the molecular formula and molecular weight of 1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone?

1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone has molecular formula C9H6ClF3O and molecular weight 222.592 g/mol.

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

Last updated:

How to cite: Jingsj. "1-[2-chloro-5-(trifluoromethyl)phenyl]ethanone (CAS 71648-45-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5821-6 (accessed 2026-10-25).

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