2-allenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-丙二烯基-4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷

Also known as: Allenylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-(propa-1,2-dien-1-yl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-(1,2-propadienyl)-1,3,2-dioxaborolane, 1,3,2-Dioxaborolane, 4,4,5,5-tetramethyl-2-(1,2-propadien-1-yl)-, 4,4,5,5-tetramethyl-2-propadienyl-1,3,2-dioxaborolane

2-allenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 865350-17-0) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H15BO2 and a molecular weight of 166.025 g/mol. It is also known as Allenylboronic acid pinacol ester, 4,4,5,5-Tetramethyl-2-(propa-1,2-dien-1-yl)-1,3,2-dioxaborolane and 4,4,5,5-Tetramethyl-2-(1,2-propadienyl)-1,3,2-dioxaborolane. Key properties include a boiling point of 163.0±23.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 52.4±22.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

865350-17-0

Jingsj CID

J-8491-2

Molecular Formula

C₉H₁₅BO₂

Chinese Name

2-丙二烯基-4,4,5,5-四甲基-1,3,2-二氧杂环戊硼烷

Molecular Weight

166.025 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026