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(5-(tert-Butyl)-2-methoxyphenyl)boronic acid

5-叔-丁基-2-甲氧基苯硼酸

Also known as: 5-tert-Butyl-2-methoxybenzeneboronic acid, 2-methoxy-5-tert-butylbenzeneboronic acid, 2-methoxy-5-tert-butylphenylboronic acid, 5-t-Butyl-2-methoxyphenylboronic acid, 5-tert-Butyl-2-methoxyphenylboronic acid, Boronic acid, B-[5-(1,1-dimethylethyl)-2-methoxyphenyl]-

(5-(tert-Butyl)-2-methoxyphenyl)boronic acid (CAS 128733-85-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H17BO3 and a molecular weight of 208.06200 g/mol. It is also known as 5-tert-Butyl-2-methoxybenzeneboronic acid, 2-methoxy-5-tert-butylbenzeneboronic acid and 2-methoxy-5-tert-butylphenylboronic acid. Key properties include a melting point of 103-106ºC, a boiling point of 355.8ºC at 760 mmHg, a density of 1.06g/cm3 and a flash point of 169ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
128733-85-7
Jingsj CID
J-16104-2
Molecular Formula
C11H17BO3
Chinese Name
5-叔-丁基-2-甲氧基苯硼酸
Molecular Weight
208.06200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point103-106ºC
Boiling Point355.8ºC at 760 mmHg
Density1.06g/cm3
Flash Point169ºC

Frequently Asked Questions

What is the CAS number of (5-(tert-Butyl)-2-methoxyphenyl)boronic acid?

The CAS number of (5-(tert-Butyl)-2-methoxyphenyl)boronic acid is 128733-85-7.

What are the molecular formula and molecular weight of (5-(tert-Butyl)-2-methoxyphenyl)boronic acid?

(5-(tert-Butyl)-2-methoxyphenyl)boronic acid has molecular formula C11H17BO3 and molecular weight 208.06200 g/mol.

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

Last updated:

How to cite: Jingsj. "(5-(tert-Butyl)-2-methoxyphenyl)boronic acid (CAS 128733-85-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-16104-2 (accessed 2026-10-23).

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