trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane

反式-4,4,5,5-四甲基-2-(1-辛烯-1-基)-1,3,2-二氧硼杂环戊烷

Also known as: (E)-1-octenylboronic acid pinacol ester, trans-1-octenylboronic acid pinacol ester, (E)-4,4,5,5-tetramethyl-2-(1-octenyl)-1,3,2-dioxaborolane, 1-octen-1-ylboronic acid pinacol ester, E-2-(1-octenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane (CAS 170942-79-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H27BO2 and a molecular weight of 238.17400 g/mol. It is also known as (E)-1-octenylboronic acid pinacol ester, trans-1-octenylboronic acid pinacol ester and (E)-4,4,5,5-tetramethyl-2-(1-octenyl)-1,3,2-dioxaborolane. Key properties include a boiling point of 260.2ºC at 760 mmHg, a density of 0.88g/cm3 and a flash point of 111.2ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
170942-79-7
Jingsj CID
J-1336078-8
Molecular Formula
C14H27BO2
Chinese Name
反式-4,4,5,5-四甲基-2-(1-辛烯-1-基)-1,3,2-二氧硼杂环戊烷
Molecular Weight
238.17400 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point260.2ºC at 760 mmHg
Density0.88g/cm3
Flash Point111.2ºC

Frequently Asked Questions

What is the CAS number of trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane?

The CAS number of trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane is 170942-79-7.

What are the molecular formula and molecular weight of trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane?

trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane has molecular formula C14H27BO2 and molecular weight 238.17400 g/mol.

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

Last updated:

How to cite: Jingsj. "trans-4,4,5,5-tetramethyl-2-(oct-1-en-1-yl)-1,3,2-dioxaborolane (CAS 170942-79-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1336078-8 (accessed 2026-10-24).

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