4-(Methylsulfonyl)phenylboronic acid

4-(甲磺酰基)苯硼酸

Also known as: 4-(Methanesulfonyl)benzeneboronic acid, 4-(Methylsulfonyl)benzeneboronic acid, (4-(Methylsulfonyl)phenyl)boronic acid, 4-Boronophenylmethylsulfone, 4-(Methylsulphonyl)benzeneboronic acid, MFCD01630820

4-(Methylsulfonyl)phenylboronic acid (CAS 149104-88-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9BO4S and a molecular weight of 200.02 g/mol. It is also known as 4-(Methanesulfonyl)benzeneboronic acid, 4-(Methylsulfonyl)benzeneboronic acid and (4-(Methylsulfonyl)phenyl)boronic acid. Key properties include a melting point of 275-277 °C, a boiling point of 445.5±51.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 223.2±30.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 149104-88-1
Jingsj CID: J-31391-7
Molecular Formula: C₇H₉BO₄S
Chinese Name: 4-(甲磺酰基)苯硼酸
Molecular Weight: 200.02 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	275-277 °C
Boiling Point	445.5±51.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	223.2±30.4 °C

Frequently Asked Questions

What is the CAS number of 4-(Methylsulfonyl)phenylboronic acid?

The CAS number of 4-(Methylsulfonyl)phenylboronic acid is 149104-88-1.

What are the molecular formula and molecular weight of 4-(Methylsulfonyl)phenylboronic acid?

4-(Methylsulfonyl)phenylboronic acid has molecular formula C7H9BO4S and molecular weight 200.02 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-(Methylsulfonyl)phenylboronic acid (CAS 149104-88-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31391-7 (accessed 2026-10-22).

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