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4-Chloro-3-fluorocinnamic acid

4-氯-3-氟肉桂酸

Also known as: (2E)-3-(4-chloro-3-fluorophenyl)prop-2-enoic acid, (E)-3-(4-chloro-3-fluorophenyl)prop-2-enoic acid, 3-(4-Chloro-3-fluorophenyl)acrylic acid, 4-Chloro-3-fluorocinnamic acid, 95%, RARECHEM BK HW 0060, JRD-1603

4-Chloro-3-fluorocinnamic acid (CAS 202982-66-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H6ClFO2 and a molecular weight of 200.59400 g/mol. It is also known as (2E)-3-(4-chloro-3-fluorophenyl)prop-2-enoic acid, (E)-3-(4-chloro-3-fluorophenyl)prop-2-enoic acid and 3-(4-Chloro-3-fluorophenyl)acrylic acid. Key properties include a melting point of 241-245℃, a boiling point of 325.2ºC at 760mmHg, a density of 1.42g/cm3 and a flash point of 150.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
202982-66-9
Jingsj CID
J-1335254-3
Molecular Formula
C9H6ClFO2
Chinese Name
4-氯-3-氟肉桂酸
Molecular Weight
200.59400 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point241-245℃
Boiling Point325.2ºC at 760mmHg
Density1.42g/cm3
Flash Point150.5ºC

Frequently Asked Questions

What is the CAS number of 4-Chloro-3-fluorocinnamic acid?

The CAS number of 4-Chloro-3-fluorocinnamic acid is 202982-66-9.

What are the molecular formula and molecular weight of 4-Chloro-3-fluorocinnamic acid?

4-Chloro-3-fluorocinnamic acid has molecular formula C9H6ClFO2 and molecular weight 200.59400 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Chloro-3-fluorocinnamic acid (CAS 202982-66-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1335254-3 (accessed 2026-10-25).

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