3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid

3',4'-二氟联苯-4-羧酸

Also known as: 3',4'-Difluorobiphenyl-4-carboxylic acid, 3,4-Difluoro-[1,1'-biphenyl]-4'-carboxylic acid, 4-(3,4-Difluorophenyl)benzoic acid, 4-Biphenyl-3',4'-difluoro-carboxylic acid

3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid (CAS 505082-81-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H8F2O2 and a molecular weight of 234.19800 g/mol. It is also known as 3',4'-Difluorobiphenyl-4-carboxylic acid, 3,4-Difluoro-[1,1'-biphenyl]-4'-carboxylic acid and 4-(3,4-Difluorophenyl)benzoic acid. Key properties include a boiling point of 372.157ºC at 760 mmHg, a density of 1.333 g/cm3 and a flash point of 178.874ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 505082-81-5
Jingsj CID: J-1306558-8
Molecular Formula: C₁₃H₈F₂O₂
Chinese Name: 3',4'-二氟联苯-4-羧酸
Molecular Weight: 234.19800 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	372.157ºC at 760 mmHg
Density	1.333 g/cm3
Flash Point	178.874ºC

Frequently Asked Questions

What is the CAS number of 3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid?

The CAS number of 3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid is 505082-81-5.

What are the molecular formula and molecular weight of 3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid?

3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid has molecular formula C13H8F2O2 and molecular weight 234.19800 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3',4'-Difluoro[1,1'-biphenyl]-4-carboxylic acid (CAS 505082-81-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1306558-8 (accessed 2026-10-25).

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