Jingsj
.mol.sdf

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

1-环戊烯硼酸频哪醇酯

Also known as: 1-Cyclopentenylboronic acid pinacol ester, 1-Cyclopenteneboronic acid pinacol ester, Cyclopenten-1-ylboronic acid, pinacol ester, 2-Cyclopentenyl-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-(1-Cyclopenten-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 1-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)cyclopentene

2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 287944-10-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H19BO2 and a molecular weight of 194.078 g/mol. It is also known as 1-Cyclopentenylboronic acid pinacol ester, 1-Cyclopenteneboronic acid pinacol ester and Cyclopenten-1-ylboronic acid, pinacol ester. Key properties include a boiling point of 210.1±33.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 80.8±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
287944-10-9
Jingsj CID
J-1518069-0
Molecular Formula
C11H19BO2
Chinese Name
1-环戊烯硼酸频哪醇酯
Molecular Weight
194.078 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point210.1±33.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point80.8±25.4 °C

Frequently Asked Questions

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

The CAS number of 2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane is 287944-10-9.

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

2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane has molecular formula C11H19BO2 and molecular weight 194.078 g/mol.

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

Last updated:

How to cite: Jingsj. "2-(Cyclopent-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 287944-10-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518069-0 (accessed 2026-10-22).

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