2,4-Difluorocinnamic acid

2,4-二氟肉桂酸

Also known as: (2E)-3-(2,4-Difluorophenyl)-2-propenoic acid, (E)-3-(2,4-difluorophenyl)prop-2-enoic acid, 3-(2,4-Difluorophenyl)acrylic acid, trans-2,4-Difluorocinnamic acid, MFCD00010317

2,4-Difluorocinnamic acid (CAS 774-73-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6F2O2 and a molecular weight of 184.14000 g/mol. It is also known as (2E)-3-(2,4-Difluorophenyl)-2-propenoic acid, (E)-3-(2,4-difluorophenyl)prop-2-enoic acid and 3-(2,4-Difluorophenyl)acrylic acid. Key properties include a melting point of 216-218 °C(lit.), a boiling point of 257.365ºC at 760 mmHg, a density of 1.202g/cm3 and a flash point of 109.451ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
774-73-2
Jingsj CID
J-1342645-5
Molecular Formula
C9H6F2O2
Chinese Name
2,4-二氟肉桂酸
Molecular Weight
184.14000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point216-218 °C(lit.)
Boiling Point257.365ºC at 760 mmHg
Density1.202g/cm3
Flash Point109.451ºC

Frequently Asked Questions

What is the CAS number of 2,4-Difluorocinnamic acid?

The CAS number of 2,4-Difluorocinnamic acid is 774-73-2.

What are the molecular formula and molecular weight of 2,4-Difluorocinnamic acid?

2,4-Difluorocinnamic acid has molecular formula C9H6F2O2 and molecular weight 184.14000 g/mol.

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

Last updated:

How to cite: Jingsj. "2,4-Difluorocinnamic acid (CAS 774-73-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1342645-5 (accessed 2026-10-25).

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