3-Ethoxyphenylboronic acid

3-乙氧基苯硼酸

Also known as: 3-Ethoxybenzeneboronic acid, 3-Ethoxyphenylboronic Acid (contains varying amounts of Anhydride), (3-Ethoxyphenyl)boronic acid, AKOS BRN-0069, RARECHEM AH PB 0139, MFCD00274219, M-ETHOXYPHENYLBORONIC ACID, Boronic acid, B-(3-ethoxyphenyl)-

3-Ethoxyphenylboronic acid (CAS 90555-66-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H11BO3 and a molecular weight of 165.982 g/mol. It is also known as 3-Ethoxybenzeneboronic acid, 3-Ethoxyphenylboronic Acid (contains varying amounts of Anhydride) and (3-Ethoxyphenyl)boronic acid. Key properties include a melting point of 139-146 °C(lit.), a boiling point of 328.3±44.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 152.3±28.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
90555-66-1
Jingsj CID
J-33586-5
Molecular Formula
C8H11BO3
Chinese Name
3-乙氧基苯硼酸
Molecular Weight
165.982 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point139-146 °C(lit.)
Boiling Point328.3±44.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point152.3±28.4 °C

Frequently Asked Questions

What is the CAS number of 3-Ethoxyphenylboronic acid?

The CAS number of 3-Ethoxyphenylboronic acid is 90555-66-1.

What are the molecular formula and molecular weight of 3-Ethoxyphenylboronic acid?

3-Ethoxyphenylboronic acid has molecular formula C8H11BO3 and molecular weight 165.982 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Ethoxyphenylboronic acid (CAS 90555-66-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-33586-5 (accessed 2026-10-22).

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