Description

3,6-Dichlorocatechol is a halogenated catechol derivative, a key organic intermediate with significant synthetic utility. Its value lies in its role as a versatile building block for the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active ingredients, fine chemicals, and specialty polymers.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those with complex phenolic or catechol-based structures.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents where the dichlorocatechol moiety imparts specific biological activity.
• Polymer Chemistry: Serves as a monomer or modifying agent in the development of specialty polymers, including high-performance resins and functional materials.
• Fine Chemical Production: Employed in organic synthesis for creating complex dyes, pigments, and other advanced chemical entities.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and developing novel compounds.
• Ligand Synthesis: Used to prepare chelating agents and ligands for metal catalysis and coordination chemistry applications.

Basic Information

Product Name	3,6-Dichlorocatechol
CAS No.	3938-16-7
Molecular Formula	C6H4Cl2O2
Molecular Weight	179.00 g/mol
Synonyms	3,6-Dichloro-1,2-benzenediol; 3,6-Dichloropyrocatechol; 1,2-Dihydroxy-3,6-dichlorobenzene; 3,6-Dichloro-1,2-dihydroxybenzene; 3,6-Dichlorobenzene-1,2-diol; Pyrocatechol, 3,6-dichloro-; 3,6-Dichlorocatechol (principal name)
EINECS	223-519-4

Quality Control

Our 3,6-Dichlorocatechol is manufactured under strict 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, impurity profile, and physical characteristics. 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, 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 opaque or stored in darkness.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	163 - 167 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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