(E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one

1-[3-(三氟甲基)苯基]丁-1-烯-3-酮

Also known as: 1-[3-(Trifluoromethyl)phenyl]but-1-en-3-one, 4-[3-(Trifluoromethyl)phenyl]-3-buten-2-one, 3-Buten-2-one, 4-[3-(trifluoromethyl)phenyl]-, (3E)-4-[3-(Trifluoromethyl)phenyl]-3-buten-2-one, 3-(Trifluoromethyl)benzalacetone, m-Trifluoromethylbenzalacetone, MFCD00052843

(E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one (CAS 80992-92-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C11H9F3O and a molecular weight of 214.18400 g/mol. It is also known as 1-[3-(Trifluoromethyl)phenyl]but-1-en-3-one, 4-[3-(Trifluoromethyl)phenyl]-3-buten-2-one and 3-Buten-2-one, 4-[3-(trifluoromethyl)phenyl]-. Key properties include a boiling point of 115 °C, a density of 1.206g/cm3 and a flash point of 123ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 80992-92-3
Jingsj CID: J-27018-8
Molecular Formula: C₁₁H₉F₃O
Chinese Name: 1-[3-(三氟甲基)苯基]丁-1-烯-3-酮
Molecular Weight: 214.18400 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	115 °C
Density	1.206g/cm3
Flash Point	123ºC

Frequently Asked Questions

What is the CAS number of (E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one?

The CAS number of (E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one is 80992-92-3.

What are the molecular formula and molecular weight of (E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one?

(E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one has molecular formula C11H9F3O and molecular weight 214.18400 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. "(E)-4-[3-(trifluoromethyl)phenyl]but-3-en-2-one (CAS 80992-92-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27018-8 (accessed 2026-10-24).

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