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[4-(Methylsulfinyl)phenyl]boronic acid

Also known as: 4-(Methanesulfinyl)benzeneboronic acid, 4-(Methylsulfinyl)benzeneboronic acid, 4-(Methylsulfinyl)phenylboronic acid, 4-(Methanesulphinyl)benzeneboronic acid, 4-(Methylsulphinyl)phenylboronic acid, 4-Boronophenyl methyl sulfoxide, 4-Methylsulfinylphenylboronic acid, AKOS BRN-0326, Boronic acid, B-[4-(methylsulfinyl)phenyl]-, MFCD02093071

[4-(Methylsulfinyl)phenyl]boronic acid (CAS 166386-48-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H9BO3S and a molecular weight of 184.021 g/mol. Key properties include a melting point of 178-180°C, a boiling point of 416.8±47.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 205.9±29.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
166386-48-7
Jingsj CID
J-16513-9
Molecular Formula
C7H9BO3S
Molecular Weight
184.021 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point178-180°C
Boiling Point416.8±47.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point205.9±29.3 °C
Exact Mass184.036545
PSA76.74000
LogP-0.08
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.616

Frequently Asked Questions

What is the CAS number of [4-(Methylsulfinyl)phenyl]boronic acid?

The CAS number of [4-(Methylsulfinyl)phenyl]boronic acid is 166386-48-7.

What are the molecular formula and molecular weight of [4-(Methylsulfinyl)phenyl]boronic acid?

[4-(Methylsulfinyl)phenyl]boronic acid has molecular formula C7H9BO3S and molecular weight 184.021 g/mol.

What are the upstream and downstream products of [4-(Methylsulfinyl)phenyl]boronic acid?

For [4-(Methylsulfinyl)phenyl]boronic acid, Upstream Products: 4-(Methylthio)phenylboronic acid.

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

Last updated:

How to cite: Jingsj. "[4-(Methylsulfinyl)phenyl]boronic acid (CAS 166386-48-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16513-9 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.