Description

4 5-Dichlorocatechol 97 is a high-purity chlorinated catechol derivative, serving as a critical synthetic intermediate and building block in advanced organic chemistry. Its value lies in its specific substitution pattern, which makes it a versatile precursor for the synthesis of complex molecules, including pharmaceuticals, agrochemicals, and specialty polymers. This compound is essential for R&D chemists and production units in the pharmaceutical, agrochemical, and material science industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with complex phenolic or catechol-based structures.
• Agrochemical Synthesis: Used as a precursor for developing herbicides, fungicides, and other crop protection agents that leverage its chlorinated aromatic core.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and high-performance materials.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on organic synthesis, catalysis, and novel compound library generation.
• Dye and Pigment Intermediate: Utilized in the synthesis of complex organic dyes and pigments where chlorinated catechol structures are required.
• Ligand Synthesis: Acts as a starting material for creating chelating ligands used in metal catalysis and coordination chemistry.

Basic Information

Product Name	4 5-Dichlorocatechol 97
CAS No.	3428-24-8
Molecular Formula	C6H4Cl2O2
Molecular Weight	179.00 g/mol
Synonyms	4,5-Dichlorobenzene-1,2-diol; 4,5-Dichloropyrocatechol; 1,2-Dihydroxy-4,5-dichlorobenzene; 4,5-Dichloro-1,2-benzenediol; 4,5-Dichlorocatechol; Catechol, 4,5-dichloro-; Pyrocatechol, 4,5-dichloro-
EINECS	222-327-5

Quality Control

Our 4 5-Dichlorocatechol 97 is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes rigorous analytical testing, including HPLC for assay and purity confirmation, to meet the specified grade of 97% minimum purity. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment upon request, supporting your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This compound is light-sensitive and should be handled and stored away from direct light exposure to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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