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

4,4,5,5-四甲基-2-(邻甲苯基)-1,3,2-二氧环戊硼烷

Also known as: 2-Methylphenylboronic acid pinacol ester, o-Tolylboronic acid pinacol ester, 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene, 4,4,5,5-Tetramethyl-2-(2-methylphenyl)-1,3,2-dioxaborolane, 2-Tolylboronic acid pinacol ester

4,4,5,5-Tetramethyl-2-(o-tolyl)-1,3,2-dioxaborolane (CAS 195062-59-0) is a compound in the Solvents 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 2-Methylphenylboronic acid pinacol ester, o-Tolylboronic acid pinacol ester and 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)toluene. Key properties include a melting point of 18 °C, a boiling point of 303.1±21.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 137.1±22.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

195062-59-0

Jingsj CID

J-1498294-7

Molecular Formula

C₁₃H₁₉BO₂

Chinese Name

4,4,5,5-四甲基-2-(邻甲苯基)-1,3,2-二氧环戊硼烷

Molecular Weight

218.100 g/mol

Category

Solvents

Last updated

8/21/2026