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4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane

3-甲基苯硼酸频哪醇酯

Also known as: 3-Methylphenylboronic acid pinacol ester, 3-Tolylboronic acid pinacol ester, m-Tolylboronic Acid Pinacol Ester, 4,4,5,5-tetramethyl-2-(3-methylphenyl)-1,3,2-dioxaborolane, 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene, m-tolyl pinacolborane, 3-Methylbenzeneboronic acid, pinacol ester, MFCD08436973

4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane (CAS 253342-48-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H19BO2 and a molecular weight of 218.100 g/mol. It is also known as 3-Methylphenylboronic acid pinacol ester, 3-Tolylboronic acid pinacol ester and m-Tolylboronic Acid Pinacol Ester. Key properties include a melting point of -37°C, a boiling point of 307.2±21.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 139.6±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
253342-48-2
Jingsj CID
J-29248-5
Molecular Formula
C13H19BO2
Chinese Name
3-甲基苯硼酸频哪醇酯
Molecular Weight
218.100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-37°C
Boiling Point307.2±21.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point139.6±22.1 °C

Frequently Asked Questions

What is the CAS number of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane?

The CAS number of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane is 253342-48-2.

What are the molecular formula and molecular weight of 4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane?

4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane has molecular formula C13H19BO2 and molecular weight 218.100 g/mol.

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

Last updated:

How to cite: Jingsj. "4,4,5,5-Tetramethyl-2-(m-tolyl)-1,3,2-dioxaborolane (CAS 253342-48-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29248-5 (accessed 2026-10-22).

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