4-Methyl-β-styrylboronic acid pinacol ester

4-甲基-β-苯乙烯基硼酸频哪醇酯

Also known as: (E)-4,4,5,5-Tetramethyl-2-(4-methylstyryl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-[2-(4-methylphenyl)ethenyl]-1,3,2-dioxaborolane, 4-Methyl-beta-styrylboronic acid pinacol ester, MFCD03788749

4-Methyl-β-styrylboronic acid pinacol ester (CAS 149777-84-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C15H21BO2 and a molecular weight of 244.13700 g/mol. It is also known as (E)-4,4,5,5-Tetramethyl-2-(4-methylstyryl)-1,3,2-dioxaborolane, 4,4,5,5-Tetramethyl-2-[2-(4-methylphenyl)ethenyl]-1,3,2-dioxaborolane and 4-Methyl-beta-styrylboronic acid pinacol ester. Key properties include a melting point of 56-58ºC, a boiling point of 292.3ºC at 760mmHg, a density of 0.98g/cm3 and a flash point of 130.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
149777-84-4
Jingsj CID
J-8884-8
Molecular Formula
C15H21BO2
Chinese Name
4-甲基-β-苯乙烯基硼酸频哪醇酯
Molecular Weight
244.13700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point56-58ºC
Boiling Point292.3ºC at 760mmHg
Density0.98g/cm3
Flash Point130.6ºC

Frequently Asked Questions

What is the CAS number of 4-Methyl-β-styrylboronic acid pinacol ester?

The CAS number of 4-Methyl-β-styrylboronic acid pinacol ester is 149777-84-4.

What are the molecular formula and molecular weight of 4-Methyl-β-styrylboronic acid pinacol ester?

4-Methyl-β-styrylboronic acid pinacol ester has molecular formula C15H21BO2 and molecular weight 244.13700 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Methyl-β-styrylboronic acid pinacol ester (CAS 149777-84-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8884-8 (accessed 2026-10-22).

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