4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid

4-苯基-5-(三氟甲基)噻吩-2-羧酸

Also known as: 4-Phenyl-5-(trifluoromethyl)-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 4-phenyl-5-(trifluoromethyl)-, 4-Phenyl-5-(trifluoromethyl)-2-thenoic acid, 5-Carboxy-3-phenyl-2-(trifluoromethyl)thiophene, 5-trifluoromethyl-4-phenyl-thiophene-2-carboxylic acid, HMS1449K04, BUTTPARK 82\12-88

4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 208108-76-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C12H7F3O2S and a molecular weight of 272.243 g/mol. It is also known as 4-Phenyl-5-(trifluoromethyl)-2-thiophenecarboxylic acid, 2-Thiophenecarboxylic acid, 4-phenyl-5-(trifluoromethyl)- and 4-Phenyl-5-(trifluoromethyl)-2-thenoic acid. Key properties include a melting point of 130ºC, a boiling point of 366.5±42.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 175.5±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
208108-76-3
Jingsj CID
J-1505959-4
Molecular Formula
C12H7F3O2S
Chinese Name
4-苯基-5-(三氟甲基)噻吩-2-羧酸
Molecular Weight
272.243 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point130ºC
Boiling Point366.5±42.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point175.5±27.9 °C

Frequently Asked Questions

What is the CAS number of 4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid?

The CAS number of 4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid is 208108-76-3.

What are the molecular formula and molecular weight of 4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid?

4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid has molecular formula C12H7F3O2S and molecular weight 272.243 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Phenyl-5-(trifluoromethyl)thiophene-2-carboxylic acid (CAS 208108-76-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1505959-4 (accessed 2026-10-22).

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