4-Ethoxy-3-fluorophenylboronic acid

4-乙氧基-3-氟苯基硼酸

Also known as: 4-Ethoxy-3-fluorobenzeneboronic acid, 3-Fluoro-4-ethoxybenzeneboronic acid, 4-Ethoxy-3-fluorophenylboronic Acid (contains varying amounts of Anhydride), 4-Ethoxy-3-fluorophenylboronic, 4-Borono-2-fluorophenetole, Boronic acid, B-(4-ethoxy-3-fluorophenyl)-, AKOS BRN-0575, MFCD04115667

4-Ethoxy-3-fluorophenylboronic acid (CAS 279263-10-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10BFO3 and a molecular weight of 183.973 g/mol. It is also known as 4-Ethoxy-3-fluorobenzeneboronic acid, 3-Fluoro-4-ethoxybenzeneboronic acid and 4-Ethoxy-3-fluorophenylboronic Acid (contains varying amounts of Anhydride). Key properties include a melting point of 108-113ºC, a boiling point of 328.1±52.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 152.2±30.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
279263-10-4
Jingsj CID
J-1177686-6
Molecular Formula
C8H10BFO3
Chinese Name
4-乙氧基-3-氟苯基硼酸
Molecular Weight
183.973 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point108-113ºC
Boiling Point328.1±52.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point152.2±30.7 °C
Exact Mass184.070709
PSA49.69000
LogP2.04
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.501

Customs & Trade Information

HS Code2931900090
Summary2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 4-Ethoxy-3-fluorophenylboronic acid?

The CAS number of 4-Ethoxy-3-fluorophenylboronic acid is 279263-10-4.

What are the molecular formula and molecular weight of 4-Ethoxy-3-fluorophenylboronic acid?

4-Ethoxy-3-fluorophenylboronic acid has molecular formula C8H10BFO3 and molecular weight 183.973 g/mol.

What are the upstream and downstream products of 4-Ethoxy-3-fluorophenylboronic acid?

For 4-Ethoxy-3-fluorophenylboronic acid, Upstream Products: Trimethyl borate, 4-Bromo-1-ethoxy-2-fluorobenzene, 4-Bromo-2-fluorophenol.

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

Last updated:

How to cite: Jingsj. "4-Ethoxy-3-fluorophenylboronic acid (CAS 279263-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177686-6 (accessed 2026-10-28).

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