4'-Bromo[1,1'-biphenyl]-4-carboxylic acid

Also known as: 4-(4-bromophenyl)benzoic acid, 4'-Bromo-4-biphenylcarboxylic acid, 4'-Bromo-4-carboxybiphenyl, 4'-Bromo-[1,1'-biphenyl]-4-carboxylic acid, 4'-Bromo-4-biphenyl carboxylic acid, 4-Bromo-4'-biphenylcarboxylic acid, 4-(4'-Bromophenyl)benzoic acid

4'-Bromo[1,1'-biphenyl]-4-carboxylic acid (CAS 5731-11-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H9BrO2 and a molecular weight of 277.11300 g/mol. Key properties include a melting point of 301-302ºC, a boiling point of 418.1ºC at 760 mmHg, a density of 1.51g/cm3 and a flash point of 206.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5731-11-3
Jingsj CID: J-1401957-9
Molecular Formula: C₁₃H₉BrO₂
Molecular Weight: 277.11300 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	301-302ºC
Boiling Point	418.1ºC at 760 mmHg
Density	1.51g/cm3
Flash Point	206.7ºC
Exact Mass	275.97900
PSA	37.30000
LogP	3.81430
Refractive Index	1.632

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 4'-Bromo[1,1'-biphenyl]-4-carboxylic acid is 5731-11-3.

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

4'-Bromo[1,1'-biphenyl]-4-carboxylic acid has molecular formula C13H9BrO2 and molecular weight 277.11300 g/mol.

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. "4'-Bromo[1,1'-biphenyl]-4-carboxylic acid (CAS 5731-11-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1401957-9 (accessed 2026-11-09).

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