Description

4-Bromo-3-Chlorophenol is a halogenated phenol derivative serving as a versatile and critical building block in advanced organic synthesis. Its molecular structure makes it a valuable intermediate for constructing more complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active ingredients, specialty chemicals, and functional materials who require reliable, high-purity intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those with halogenated aromatic cores.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and pesticides where the bromo and chloro substituents impart specific biological activity.
• Material Science: Serves as a monomer or modifying agent in the synthesis of specialty polymers, resins, and liquid crystals.
• Dyestuff and Pigment Manufacturing: Intermediate for creating halogenated dyes and organic pigments with enhanced lightfastness and color properties.
• Organic Synthesis Research: A valuable reagent in academic and industrial R&D for cross-coupling reactions, nucleophilic substitutions, and other transformations.
• Biocide Formulation: Potential use as an intermediate for industrial preservatives and antimicrobial agents, leveraging the phenolic structure.

Basic Information

Product Name	4-Bromo-3-Chlorophenol
CAS No.	13631-21-5
Molecular Formula	C6H4BrClO
Molecular Weight	207.45 g/mol
Synonyms	3-Chloro-4-bromophenol; 4-Bromo-3-chlorophenol; Phenol, 4-bromo-3-chloro-; 1-Bromo-2-chloro-4-hydroxybenzene; 2-Chloro-1-bromo-4-hydroxybenzene; 4-Hydroxy-2-chlorobromobenzene; NSC 403108
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Chlorophenol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for regulated industries.

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 heat sources. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	48 - 52 °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.