Description

4-Amino-3-Bromophenol is a versatile brominated aminophenol derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both an amino and a bromo substituent on the phenol ring, makes it a valuable intermediate for constructing complex molecules. This compound is primarily utilized by the pharmaceutical, agrochemical, and specialty dye industries for research and manufacturing purposes.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds with specific bromine-substituted aromatic frameworks.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, where the bromine atom can be leveraged for further functionalization.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Polymer Chemistry: Employed as a monomer or modifier in the synthesis of specialty polymers and resins, including epoxy hardeners and flame retardants.
• Research & Development: Serves as a standard or starting material in academic and industrial R&D labs for exploring new chemical reactions and pathways.
• Liquid Crystal and OLED Materials: A potential building block in the synthesis of electronic materials due to its conjugated aromatic system and functional handles.

Basic Information

Product Name	4-Amino-3-Bromophenol
CAS No.	74440-80-5
Molecular Formula	C6H6BrNO
Molecular Weight	188.02 g/mol
Synonyms	3-Bromo-4-aminophenol; 4-Amino-3-bromophenol; 3-Bromo-4-hydroxyaniline; 4-Hydroxy-2-bromoaniline; Phenol, 4-amino-3-bromo-; 2-Bromo-4-aminophenol; 4-Amino-3-bromo-1-hydroxybenzene; 2-Bromo-4-hydroxyaniline
EINECS	Contact for details

Quality Control

Our 4-Amino-3-Bromophenol is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for synthesis and research applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	140 - 145 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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