Description

3,4-Dichloro-1,2-Benzenediamine is a halogenated aromatic diamine compound that serves as a versatile and critical building block in advanced organic synthesis. Its value lies in its bifunctional amine groups and stable dichlorinated benzene core, enabling the construction of complex heterocyclic structures and high-performance polymers. This intermediate is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of benzimidazole derivatives and other nitrogen-containing heterocycles with potential biological activity.
• Agrochemical Synthesis: Building block for developing novel fungicides, herbicides, and plant growth regulators.
• Polymer & Resin Production: Used in the manufacture of high-performance polyimides, aramids, and epoxy curing agents for thermally stable and chemically resistant materials.
• Dye & Pigment Manufacturing: Intermediate for producing azo dyes and complex organic pigments.
• Corrosion Inhibitor Formulation: Component in specialty chemical formulations designed to protect metals.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new chemical entities and synthetic pathways.

Basic Information

Product Name	3,4-Dichloro-1,2-Benzenediamine
CAS No.	1668-01-5
Molecular Formula	C6H6Cl2N2
Molecular Weight	177.03 g/mol
Synonyms	3,4-Dichloro-o-phenylenediamine; 1,2-Diamino-3,4-dichlorobenzene; 3,4-Dichloro-1,2-diaminobenzene; o-Phenylenediamine, 3,4-dichloro-; 3,4-Dichlorobenzene-1,2-diamine; 3,4-Dichloro-1,2-benzenediol (common misnomer, correct is diamine); 3,4-Dichloro-OPD
EINECS	Contact for details

Quality Control

Our 3,4-Dichloro-1,2-Benzenediamine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents, acids, and moisture.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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