Description

3,4-Dichlorocatechol is a specialized chlorinated catechol derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in its unique substitution pattern, which makes it a versatile building block for synthesizing complex molecules, particularly in the agrochemical and pharmaceutical sectors. This compound is essential for researchers and manufacturers developing active ingredients, fine chemicals, and functional materials who require high-purity, reliable intermediates.

Application

• Agrochemical Synthesis: A key precursor in the manufacture of advanced herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs), particularly those with complex aromatic structures.
• Polymer Chemistry: Acts as a monomer or additive in the production of specialty polymers and resins, imparting specific chemical resistance or thermal properties.
• Fine Chemical Production: Employed in the synthesis of dyes, pigments, and other high-value specialty chemicals.
• Research & Development: Utilized in academic and industrial R&D for exploring new synthetic pathways and developing novel compounds.
• Material Science: Investigated for use in creating advanced materials, such as ligands for metal-organic frameworks (MOFs) or corrosion inhibitors.

Basic Information

Item	Details
Product Name	3,4-Dichlorocatechol
CAS No.	3978-67-4
Molecular Formula	C6H4Cl2O2
Molecular Weight	179.00 g/mol
Synonyms	3,4-Dichloro-1,2-benzenediol; 3,4-Dichloropyrocatechol; 4,5-Dichlorocatechol; 1,2-Dihydroxy-3,4-dichlorobenzene; Catechol, 3,4-dichloro-; Pyrocatechol, 3,4-dichloro-
EINECS	223-609-8

Quality Control

Our 3,4-Dichlorocatechol is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopy, to verify identity and purity against established specifications. Certificates of Analysis (COA) documenting all test results are provided and available upon request to support 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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber-colored or stored in dark conditions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	105 - 110 °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.