Description

4-Bromophenol is a versatile halogenated aromatic compound widely used as a key synthetic intermediate in the chemical and pharmaceutical industries. Its primary value lies in its reactive bromine atom and phenolic hydroxyl group, which enable its use in cross-coupling reactions, etherification, and as a building block for more complex molecules. This product is essential for manufacturers and R&D teams in sectors including agrochemicals, pharmaceuticals, and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of active pharmaceutical ingredients (APIs) and various drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Polymer & Material Science: Serves as a monomer or modifier in the creation of specialty polymers, resins, and advanced materials.
• Organic Synthesis: A versatile reagent for Suzuki, Ullmann, and other cross-coupling reactions to form biaryl structures.
• Dye & Pigment Manufacturing: Acts as a precursor in the synthesis of organic dyes and colorants.
• Research & Development: Employed in academic and industrial labs for method development and chemical research.

Basic Information

Product Name	4-Bromophenol
CAS No.	106-41-2
Molecular Formula	C6H5BrO
Molecular Weight	173.01 g/mol
Synonyms	p-Bromophenol; 4-Bromo-1-hydroxybenzene; 1-Hydroxy-4-bromobenzene; Phenol, 4-bromo-; UN 2020 (for phenol, brominated derivatives); Parabromophenol; 4-BP; p-Hydroxybromobenzene
EINECS	203-394-5

Quality Control

Our 4-Bromophenol is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated synthesis pathways.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Melting Point	63 - 66 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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