4-Fluoro-3-methoxyphenylboronic acid

4-氟-3-甲氧基苯硼酸

Also known as: 4-Fluoro-3-methoxybenzeneboronic acid, (4-Fluoro-3-methoxyphenyl)boronic acid, 4-Fluoro-3-methoxyphenylboronic, 4-Fluoro-3-methoxyphenylboronic acid (contains varying amounts of anhydride), 4-Fluoro-5-methoxyphenylboronic acid, 5-Borono-2-fluoroanisole, B-(4-Fluoro-3-methoxyphenyl)boronic acid, Boronic acid, B-(4-fluoro-3-methoxyphenyl)-

4-Fluoro-3-methoxyphenylboronic acid (CAS 854778-31-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8BFO3 and a molecular weight of 169.946 g/mol. It is also known as 4-Fluoro-3-methoxybenzeneboronic acid, (4-Fluoro-3-methoxyphenyl)boronic acid and 4-Fluoro-3-methoxyphenylboronic. Key properties include a melting point of 189-191ºC, a boiling point of 318.1±52.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 146.2±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
854778-31-7
Jingsj CID
J-1510796-9
Molecular Formula
C7H8BFO3
Chinese Name
4-氟-3-甲氧基苯硼酸
Molecular Weight
169.946 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point189-191ºC
Boiling Point318.1±52.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point146.2±30.7 °C

Frequently Asked Questions

What is the CAS number of 4-Fluoro-3-methoxyphenylboronic acid?

The CAS number of 4-Fluoro-3-methoxyphenylboronic acid is 854778-31-7.

What are the molecular formula and molecular weight of 4-Fluoro-3-methoxyphenylboronic acid?

4-Fluoro-3-methoxyphenylboronic acid has molecular formula C7H8BFO3 and molecular weight 169.946 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Fluoro-3-methoxyphenylboronic acid (CAS 854778-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1510796-9 (accessed 2026-10-25).

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