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4-(Bromomethyl)benzeneboronic acid pinacol ester

Also known as: 2-(4-(Bromomethyl)phenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 2-[(4-Bromomethyl)phenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane, 4-(Bromomethyl)benzeneboronic acid pinacol cyclic ester, 4-(Bromomethyl)phenylboronic acid pinacol ester, 4-Bromomethylphenylboronic acid pinacol ester, MFCD02179493

4-(Bromomethyl)benzeneboronic acid pinacol ester (CAS 138500-85-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C13H18BBrO2 and a molecular weight of 296.996 g/mol. Key properties include a melting point of 83-85°C, a boiling point of 351.2±25.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 166.2±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
138500-85-3
Jingsj CID
J-32056-9
Molecular Formula
C13H18BBrO2
Molecular Weight
296.996 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point83-85°C
Boiling Point351.2±25.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point166.2±23.2 °C
Exact Mass296.058319
PSA18.46000
LogP2.88070
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.524

Customs & Trade Information

HS Code2934999090
Summary2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of 4-(Bromomethyl)benzeneboronic acid pinacol ester?

The CAS number of 4-(Bromomethyl)benzeneboronic acid pinacol ester is 138500-85-3.

What are the molecular formula and molecular weight of 4-(Bromomethyl)benzeneboronic acid pinacol ester?

4-(Bromomethyl)benzeneboronic acid pinacol ester has molecular formula C13H18BBrO2 and molecular weight 296.996 g/mol.

What are the upstream and downstream products of 4-(Bromomethyl)benzeneboronic acid pinacol ester?

For 4-(Bromomethyl)benzeneboronic acid pinacol ester, Upstream Products: (4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanol, 4,4,5,5-Tetramethyl-2-(p-tolyl)-1,3,2-dioxaborolane, 2,3-Dimethyl-2,3-butanediol; Downstream Products: 1-Methyl-4-[4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl]piperazine, 4-Hydroxybenzyl alcohol, N,N-Dimethyl-1-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methanamine.

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-(Bromomethyl)benzeneboronic acid pinacol ester (CAS 138500-85-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-32056-9 (accessed 2026-11-09).

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