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2-Aminophenylboronic acid pinacol ester

Also known as: 2-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)aniline, 2-Aminobenzeneboronic acid pinacol ester, 2-Aminophenylboronic acid pinacol cyclic ester, Benzenamine, 2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-, MFCD02179448, 2-(2-Aminophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane

2-Aminophenylboronic acid pinacol ester (CAS 191171-55-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H18BNO2 and a molecular weight of 219.088 g/mol. Key properties include a melting point of 63-68 °C(lit.), a boiling point of 335.6±25.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 156.8±23.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
191171-55-8
Jingsj CID
J-23380-7
Molecular Formula
C12H18BNO2
Molecular Weight
219.088 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point63-68 °C(lit.)
Boiling Point335.6±25.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point156.8±23.2 °C
Exact Mass219.143066
PSA44.48000
LogP2.14920
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.517
Additional PropertyInsoluble

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 2-Aminophenylboronic acid pinacol ester?

The CAS number of 2-Aminophenylboronic acid pinacol ester is 191171-55-8.

What are the molecular formula and molecular weight of 2-Aminophenylboronic acid pinacol ester?

2-Aminophenylboronic acid pinacol ester has molecular formula C12H18BNO2 and molecular weight 219.088 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Aminophenylboronic acid pinacol ester (CAS 191171-55-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-23380-7 (accessed 2026-11-09).

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