Bis[(pinacolato)boryl]methane

Also known as: 1,3,2-Dioxaborolane, 2,2'-methylenebis[4,4,5,5-tetramethyl-, 2,2'-Methylenebis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane), 4,4,5,5-tetramethyl-2-[(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl]-1,3,2-dioxaborolane, Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methane, Methylenedi(boronic acid pinacol ester)

Bis[(pinacolato)boryl]methane (CAS 78782-17-9) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C13H26B2O4 and a molecular weight of 267.965 g/mol. Key properties include a melting point of 53 °C, a boiling point of 272.0±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 118.3±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

78782-17-9

Jingsj CID

J-1021804-9

Molecular Formula

C₁₃H₂₆B₂O₄

Molecular Weight

267.965 g/mol

Category

Alcohols

Last updated

8/21/2026