1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethyne

1,2-双(4,4,5,5-四甲基-1,3,2-二氧环戊硼烷-2-基)乙炔

Also known as: Acetylene-1,2-diyl bis(boronic acid pinacol ester), Ethyne-1,2-diyldiboronic acid dipinacol ester, 1,2-Ethynediboronic Acid Bis(pinacol) Ester, 1,2-bis(4',4',5',5'-tetramethyl[1',3',2']dioxaborolan-2'-yl)acetylene, 2,2'-(1,2-ethynediyl)bis[4,4,5,5-tetramethyl-1,3,2-dioxaborolane], bis(pinacolylboryl)acetylene, 1,2-bis(4,4,5,5-tetramethyl[1,3,2]dioxaborolan-2-yl)ethyne

1,2-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)ethyne (CAS 1010840-17-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H24B2O4 and a molecular weight of 277.96000 g/mol. It is also known as Acetylene-1,2-diyl bis(boronic acid pinacol ester), Ethyne-1,2-diyldiboronic acid dipinacol ester and 1,2-Ethynediboronic Acid Bis(pinacol) Ester. Key properties include a melting point of 269 °C and a boiling point of 272 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

1010840-17-1

Jingsj CID

J-1169873-5

Molecular Formula

C₁₄H₂₄B₂O₄

Chinese Name

1,2-双(4,4,5,5-四甲基-1,3,2-二氧环戊硼烷-2-基)乙炔

Molecular Weight

277.96000 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026