gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone

Also known as: 4-hydroxy-2-trifluoromethylpentanoic acid lactone, 5-methyl-3-(trifluoromethyl)dihydrofuran-2(3H)-one, alpha-(trifluoromethyl)-gamma-valerolactone, 2-trifluoromethyl-4-methyl-4-butanolide, MFCD00798460, gamma-methyl-a-(trifluoromethyl)-gamma-butyrolactone

gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone (CAS 139547-12-9) is a compound in the Esters category listed in the Jingsj chemical database. It has the molecular formula C6H7F3O2 and a molecular weight of 168.11400 g/mol. Key properties include a boiling point of 187.2ºC at 760mmHg, a density of 1.299g/cm3 and a flash point of 77.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 139547-12-9
Jingsj CID: J-20891-0
Molecular Formula: C₆H₇F₃O₂
Molecular Weight: 168.11400 g/mol
Category: Esters
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	187.2ºC at 760mmHg
Density	1.299g/cm3
Flash Point	77.6ºC
Exact Mass	168.04000
PSA	26.30000
LogP	1.50030
Vapor Pressure	0.636mmHg at 25°C
Refractive Index	n20/D 1.385(lit.)

Frequently Asked Questions

What is the CAS number of gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone?

The CAS number of gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone is 139547-12-9.

What are the molecular formula and molecular weight of gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone?

gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone has molecular formula C6H7F3O2 and molecular weight 168.11400 g/mol.

What are the upstream and downstream products of gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone?

For gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone, Upstream Products: Ethanol, 2-(Trifluoromethyl)acrylic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "gamma-methyl-alpha-(trifluoromethyl)-gamma-butyrolactone (CAS 139547-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20891-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.