[1,1'-Biphenyl]-4-ylboronic acid

Also known as: 4-Biphenylboronic acid, Biphenyl-4-ylboronic acid, 4-Biphenylylboronic acid, 4-Phenylbenzeneboronic acid, 4-Phenylphenylboronic acid, (1,1'-Biphenyl)-4-ylboronic acid, Boronic acid, B-[1,1'-biphenyl]-4-yl-, MFCD00093311, AKOS BRN-0030, RARECHEM AH PB 0261

[1,1'-Biphenyl]-4-ylboronic acid (CAS 5122-94-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H11BO2 and a molecular weight of 198.03 g/mol. Key properties include a melting point of 232-245 °C(lit.), a boiling point of 385.5±35.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 186.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5122-94-1
Jingsj CID: J-29492-8
Molecular Formula: C₁₂H₁₁BO₂
Molecular Weight: 198.03 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	232-245 °C(lit.)
Boiling Point	385.5±35.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	186.9±25.9 °C
Exact Mass	198.085205
PSA	40.46000
LogP	3.35
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.610

Customs & Trade Information

HS Code	2931900090
Summary	2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of [1,1'-Biphenyl]-4-ylboronic acid?

The CAS number of [1,1'-Biphenyl]-4-ylboronic acid is 5122-94-1.

What are the molecular formula and molecular weight of [1,1'-Biphenyl]-4-ylboronic acid?

[1,1'-Biphenyl]-4-ylboronic acid has molecular formula C12H11BO2 and molecular weight 198.03 g/mol.

What are the upstream and downstream products of [1,1'-Biphenyl]-4-ylboronic acid?

For [1,1'-Biphenyl]-4-ylboronic acid, Upstream Products: 4-Bromobiphenyl, Trimethyl borate, Triisopropyl borate; Downstream Products: 1,1':4',1'':4'',1''':4''',1''''-Quinquephenyl, 4-Fluorobiphenyl, 1-Fluoro-4-nitrobenzene.

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. "[1,1'-Biphenyl]-4-ylboronic acid (CAS 5122-94-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29492-8 (accessed 2026-11-09).

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