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4-Fluoro-2-(trifluoromethyl)cinnamic acid

4-氟-2-三氟甲基肉桂酸

Also known as: (E)-3-[4-fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 2-Propenoic acid, 3-[4-fluoro-2-(trifluoromethyl)phenyl]-, 3-[4-Fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 4-FLUORO-2-(TRIFLUOROMETHYL)CINNAMIC ACID, MFCD00236297, RARECHEM AL BK 0322

4-Fluoro-2-(trifluoromethyl)cinnamic acid (CAS 243977-21-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C10H6F4O2 and a molecular weight of 234.14700 g/mol. It is also known as (E)-3-[4-fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid, 2-Propenoic acid, 3-[4-fluoro-2-(trifluoromethyl)phenyl]- and 3-[4-Fluoro-2-(trifluoromethyl)phenyl]-2-propenoic acid. Key properties include a melting point of 181-183ºC, a boiling point of 268.2ºC at 760mmHg, a density of 1.438g/cm3 and a flash point of 116ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
243977-21-1
Jingsj CID
J-28936-8
Molecular Formula
C10H6F4O2
Chinese Name
4-氟-2-三氟甲基肉桂酸
Molecular Weight
234.14700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point181-183ºC
Boiling Point268.2ºC at 760mmHg
Density1.438g/cm3
Flash Point116ºC

Frequently Asked Questions

What is the CAS number of 4-Fluoro-2-(trifluoromethyl)cinnamic acid?

The CAS number of 4-Fluoro-2-(trifluoromethyl)cinnamic acid is 243977-21-1.

What are the molecular formula and molecular weight of 4-Fluoro-2-(trifluoromethyl)cinnamic acid?

4-Fluoro-2-(trifluoromethyl)cinnamic acid has molecular formula C10H6F4O2 and molecular weight 234.14700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-2-(trifluoromethyl)cinnamic acid (CAS 243977-21-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-28936-8 (accessed 2026-10-23).

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