Description

3,5-Dichlorophenol CAS NO 591-35-5 is a halogenated phenolic compound serving as a versatile chemical intermediate in organic synthesis. Its value lies in the strategic positioning of chlorine atoms on the aromatic ring, which enables selective reactivity for constructing more complex molecules. This product is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking a reliable building block for active ingredients and functional materials.

Application

• Agrochemical Synthesis: A key precursor in the manufacture of herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye and Pigment Production: Serves as an intermediate for creating specific chlorinated dyes and colorants.
• Polymer Industry: Acts as a monomer or modifier in the production of specialty resins and polymers.
• Preservative Formulations: Utilized in the development of industrial preservatives and biocides.
• Research & Development: Employed in organic chemistry research for studying substitution reactions and synthesizing novel compounds.

Basic Information

Product Name	3,5-Dichlorophenol
CAS No.	591-35-5
Molecular Formula	C6H4Cl2O
Molecular Weight	163.00 g/mol
Synonyms	3,5-DCP; 1-Hydroxy-3,5-dichlorobenzene; m-Dichlorophenol; NSC 403697; Phenol, 3,5-dichloro-; 3,5-Dichlorophenic acid; 3,5-Dichloro-1-hydroxybenzene
EINECS	209-717-7

Quality Control

Our 3,5-Dichlorophenol is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets exacting standards for industrial and research use. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize moisture absorption and contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Melting Point	66 - 68 °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.