2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

Also known as: 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-Biphenylboronic acid pinacol ester, 2-(Biphenyl-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-([1,1'-Biphenyl]-4-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(4-phenylphenyl)-1,3,2-dioxaborolane, 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)biphenyl, 4-Biphenylboronic Acid Pinacol Ester, Biphenyl-4-boronic acid, pinacol ester

2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 144432-80-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C18H21BO2 and a molecular weight of 280.169 g/mol. Key properties include a melting point of 112ºC, a boiling point of 396.0±21.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 193.3±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 144432-80-4
Jingsj CID: J-1334482-6
Molecular Formula: C₁₈H₂₁BO₂
Molecular Weight: 280.169 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point	112ºC
Boiling Point	396.0±21.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	193.3±22.1 °C
Exact Mass	280.163452
PSA	18.46000
LogP	3.65280
Vapor Pressure	0.0±0.9 mmHg at 25°C
Refractive Index	1.549
Additional Property	Slightly soluble in water.

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

The CAS number of 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 144432-80-4.

What are the molecular formula and molecular weight of 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C18H21BO2 and molecular weight 280.169 g/mol.

What are the upstream and downstream products of 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane?

For 2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, Upstream Products: 2-(4-Bromophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-Bromobiphenyl, Bis(pinacolato)diboron; Downstream Products: 4-Cyanobiphenyl, 4-Fluorobiphenyl, 4-Phenyltoluene.

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. "2-(4-Biphenylyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 144432-80-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1334482-6 (accessed 2026-11-09).

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