4,4,4-Trifluorocrotonic acid

4,4,4-三氟丁烯酸

Also known as: 4,4,4-trifluoro-2-butenoic acid, 4,4,4-trifluorobut-2-enoic acid, 4,4,4-trifluorocrotonic acid, MFCD02181180

4,4,4-Trifluorocrotonic acid (CAS 71027-02-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H3F3O2 and a molecular weight of 140.061 g/mol. It is also known as 4,4,4-trifluoro-2-butenoic acid, 4,4,4-trifluorobut-2-enoic acid and 4,4,4-trifluorocrotonic acid. Key properties include a melting point of 55-56ºC, a boiling point of 206.5±40.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 78.7±27.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71027-02-6
Jingsj CID
J-1178724-0
Molecular Formula
C4H3F3O2
Chinese Name
4,4,4-三氟丁烯酸
Molecular Weight
140.061 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point55-56ºC
Boiling Point206.5±40.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point78.7±27.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 4,4,4-Trifluorocrotonic acid?

The CAS number of 4,4,4-Trifluorocrotonic acid is 71027-02-6.

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

4,4,4-Trifluorocrotonic acid has molecular formula C4H3F3O2 and molecular weight 140.061 g/mol.

Is 4,4,4-Trifluorocrotonic acid hazardous?

4,4,4-Trifluorocrotonic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "4,4,4-Trifluorocrotonic acid (CAS 71027-02-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1178724-0 (accessed 2026-10-25).

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