Description

4-Aminophenylboronic Acid is a bifunctional organic compound that serves as a versatile building block in modern synthetic chemistry. Its dual functionality, featuring both an aromatic amine and a boronic acid group, makes it a critical intermediate for constructing complex molecular architectures. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries, enabling the development of advanced active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for Suzuki-Miyaura cross-coupling reactions to create biaryl structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that require specific aryl-aryl linkages.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for creating specialty polymers, conductive materials, and sensors.
• Bioconjugation & Probe Development: Utilized in bioconjugation chemistry for labeling biomolecules and in the creation of diagnostic probes and imaging agents.
• Organic Synthesis Reagent: Acts as a versatile reagent for constructing carbon-carbon bonds in complex organic molecule synthesis for research and development.
• Ligand for Catalysis: Can be employed to synthesize ligands for transition metal catalysts used in various industrial chemical processes.

Basic Information

Product Name	4-Aminophenylboronic Acid
CAS No.	89415-43-0
Molecular Formula	C6H8BNO2
Molecular Weight	136.95 g/mol
Synonyms	(4-Aminophenyl)boronic Acid; p-Aminophenylboronic Acid; 4-Aminobenzeneboronic Acid; B-(4-Aminophenyl)boronic Acid; 4-ABPA; 4-APBA; Boronic acid, B-(4-aminophenyl)-; 4-Boronylaniline
EINECS	Contact for details

Quality Control

Our 4-Aminophenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. Certificates of Analysis (COA) with detailed specifications are provided for every shipment, confirming compliance with customer requirements and industry standards for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.