Description

4-Hydroxy-3,5-Dichlorobiphenyl is a halogenated biphenyl derivative, a versatile organic intermediate prized for its unique chemical structure. This compound is critical for synthesizing advanced materials and specialty chemicals where specific chlorination and hydroxylation patterns are required. It is primarily utilized by research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and polymer sectors for developing novel compounds and functional additives.

Application

• Agrochemical Intermediate: Serves as a key building block in the synthesis of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Research: Used as a precursor or scaffold in medicinal chemistry for developing new active pharmaceutical ingredients (APIs).
• Polymer Additive: Functions as a flame retardant synergist or a monomer for producing high-performance, halogenated polymers.
• Dye & Pigment Synthesis: Acts as an intermediate in the manufacture of specialized dyes and organic pigments.
• Liquid Crystal Materials: Employed in the research and development of halogenated biphenyl-based liquid crystals for display technologies.
• Chemical Research: A valuable standard and reagent in analytical chemistry and environmental studies related to chlorinated biphenyls.

Basic Information

Product Name	4-Hydroxy-3,5-Dichlorobiphenyl
CAS No.	1137-59-3
Molecular Formula	C12H8Cl2O
Molecular Weight	239.10 g/mol
Synonyms	3,5-Dichloro-4-hydroxybiphenyl; 4-Biphenylol, 3,5-dichloro-; 3,5-Dichlorobiphenyl-4-ol; 3,5-Dichloro-4-phenylphenol; PCB metabolite derivative; 3,5-Dichloro-4-hydroxy-1,1'-biphenyl
EINECS	214-514-8

Quality Control

Our 4-Hydroxy-3,5-Dichlorobiphenyl 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. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support custom synthesis and can tailor purity grades to meet specific research or industrial requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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