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

Also known as: 4'-Cyano-4-biphenylcarboxylic acid, 4-(4-Cyanophenyl)benzoic acid, 4'-Cyanobiphenyl-4-carboxylic acid, 4-(4-cyanophenyl)benzoate, AKOS BAR-0690, MFCD00438676

4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid (CAS 5728-46-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H9NO2 and a molecular weight of 223.227 g/mol. Key properties include a melting point of 263-266ºC, a boiling point of 443.0±38.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 221.7±26.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5728-46-1
Jingsj CID: J-1524902-2
Molecular Formula: C₁₄H₉NO₂
Molecular Weight: 223.227 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	263-266ºC
Boiling Point	443.0±38.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	221.7±26.8 °C
Exact Mass	223.063324
PSA	61.09000
LogP	3.07
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.650

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds 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'-Cyano-[1,1'-biphenyl]-4-carboxylic acid?

The CAS number of 4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid is 5728-46-1.

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

4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid has molecular formula C14H9NO2 and molecular weight 223.227 g/mol.

What are the upstream and downstream products of 4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid?

For 4'-Cyano-[1,1'-biphenyl]-4-carboxylic acid, Upstream Products: 4-Bromobiphenyl, 1-(4'-bromo[1,1'-biphenyl]-4-yl)ethan-1-one, 4'-Bromo[1,1'-biphenyl]-4-carboxylic acid; Downstream Products: Methyl 4'-cyano[1,1'-biphenyl]-4-carboxylate.

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'-Cyano-[1,1'-biphenyl]-4-carboxylic acid (CAS 5728-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524902-2 (accessed 2026-11-09).

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