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(4-Ethoxy-2,3-difluorophenyl)boronic acid

Also known as: 2,3-Difluoro-4-ethoxybenzeneboronic acid, 2,3-Difluoro-4-ethoxyphenylboronic acid, 4-Ethoxy-2,3-difluorophenylboronic acid, B-(4-Ethoxy-2,3-difluorophenyl)boronic acid, Boronic acid, (4-ethoxy-2,3-difluorophenyl)- (9CI), Boronic acid, B-(4-ethoxy-2,3-difluorophenyl)-

(4-Ethoxy-2,3-difluorophenyl)boronic acid (CAS 212386-71-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H9BF2O3 and a molecular weight of 201.963 g/mol. Key properties include a melting point of 135-136 ºC, a boiling point of 316.0±52.0 °C at 760 mmHg, a density of 1.29 and a flash point of 144.9±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
212386-71-5
Jingsj CID
J-1360093-6
Molecular Formula
C8H9BF2O3
Molecular Weight
201.963 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point135-136 ºC
Boiling Point316.0±52.0 °C at 760 mmHg
Density1.29
Flash Point144.9±30.7 °C
Exact Mass202.061279
PSA49.69000
LogP2.05
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.484

Frequently Asked Questions

What is the CAS number of (4-Ethoxy-2,3-difluorophenyl)boronic acid?

The CAS number of (4-Ethoxy-2,3-difluorophenyl)boronic acid is 212386-71-5.

What are the molecular formula and molecular weight of (4-Ethoxy-2,3-difluorophenyl)boronic acid?

(4-Ethoxy-2,3-difluorophenyl)boronic acid has molecular formula C8H9BF2O3 and molecular weight 201.963 g/mol.

What are the upstream and downstream products of (4-Ethoxy-2,3-difluorophenyl)boronic acid?

For (4-Ethoxy-2,3-difluorophenyl)boronic acid, Upstream Products: 1-Bromo-4-ethoxy-2,3-difluorobenzene, Trimethyl borate, 2,3-Difluorophenol.

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-Ethoxy-2,3-difluorophenyl)boronic acid (CAS 212386-71-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1360093-6 (accessed 2026-11-09).

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