3,3,3-Trifluoro-2-methylpropanoic acid

3,3,3-三氟-2-甲基丙酸

Also known as: 2-Methyl-3,3,3-trifluoropropionic acid, 2-(Trifluoromethyl)propanoic acid, 3,3,3-Trifluoro-2-methyl-propionic acid, Propanoic acid, 3,3,3-trifluoro-2-methyl-

3,3,3-Trifluoro-2-methylpropanoic acid (CAS 381-97-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C4H5F3O2 and a molecular weight of 142.077 g/mol. It is also known as 2-Methyl-3,3,3-trifluoropropionic acid, 2-(Trifluoromethyl)propanoic acid and 3,3,3-Trifluoro-2-methyl-propionic acid. Key properties include a boiling point of 139.5±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 38.2±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
381-97-5
Jingsj CID
J-1385513-6
Molecular Formula
C4H5F3O2
Chinese Name
3,3,3-三氟-2-甲基丙酸
Molecular Weight
142.077 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point139.5±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point38.2±25.9 °C

Frequently Asked Questions

What is the CAS number of 3,3,3-Trifluoro-2-methylpropanoic acid?

The CAS number of 3,3,3-Trifluoro-2-methylpropanoic acid is 381-97-5.

What are the molecular formula and molecular weight of 3,3,3-Trifluoro-2-methylpropanoic acid?

3,3,3-Trifluoro-2-methylpropanoic acid has molecular formula C4H5F3O2 and molecular weight 142.077 g/mol.

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

Last updated:

How to cite: Jingsj. "3,3,3-Trifluoro-2-methylpropanoic acid (CAS 381-97-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385513-6 (accessed 2026-10-25).

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