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trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene

反式-2-苯乙烯硼酸频哪酸酯

Also known as: trans-2-Phenylvinylboronic acid pinacol ester, trans-beta-Styrylboronic acid pinacol ester, (E)-4,4,5,5-Tetramethyl-2-styryl-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-[(E)-2-phenylvinyl]-1,3,2-dioxaborolane, E-Phenylethenylboronic acid pinacol ester, E-Styrylboronic acid pinacol ester, MFCD03453666, trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene, trans-2-Phenylvinylboronic acid pinacol ester, trans-beta-Styrylboronic acid pinacol ester

trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene (CAS 83947-56-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C14H19BO2 and a molecular weight of 230.111 g/mol. It is also known as trans-2-Phenylvinylboronic acid pinacol ester, trans-beta-Styrylboronic acid pinacol ester and (E)-4,4,5,5-Tetramethyl-2-styryl-1,3,2-dioxaborolane. Key properties include a melting point of 27-33 °C(lit.), a boiling point of 271.9±33.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 118.2±25.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
83947-56-2
Jingsj CID
J-1160329-2
Molecular Formula
C14H19BO2
Chinese Name
反式-2-苯乙烯硼酸频哪酸酯
Molecular Weight
230.111 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point27-33 °C(lit.)
Boiling Point271.9±33.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point118.2±25.4 °C

Frequently Asked Questions

What is the CAS number of trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene?

The CAS number of trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene is 83947-56-2.

What are the molecular formula and molecular weight of trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene?

trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene has molecular formula C14H19BO2 and molecular weight 230.111 g/mol.

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

Last updated:

How to cite: Jingsj. "trans-2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)styrene (CAS 83947-56-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1160329-2 (accessed 2026-10-25).

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