Description

2,3-Dichloro-5-Methyl-1,4-Benzenediamine is a high-purity aromatic diamine derivative characterized by its specific chlorine and methyl substitution pattern. This compound serves as a versatile and critical advanced intermediate in the synthesis of complex organic molecules, where its unique structure imparts specific chemical and physical properties to the final product. It is primarily required by R&D laboratories and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing active ingredients, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated diamine core structure.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and pesticides, where its chlorinated aromatic system is effective.
• Dye and Pigment Manufacturing: Serves as a precursor for the development of high-performance, color-fast azo dyes and complex organic pigments.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polyimides, polyamides, and other high-performance polymers.
• Chemical Research & Development: An essential reagent for organic synthesis, enabling the construction of complex heterocyclic compounds and functional materials in academic and industrial labs.
• Liquid Crystal and OLED Material Development: Utilized as a core component in the synthesis of advanced electronic and optoelectronic materials.

Basic Information

Product Name	2,3-Dichloro-5-Methyl-1,4-Benzenediamine
CAS No.	13711-11-0
Molecular Formula	C7H8Cl2N2
Molecular Weight	191.06 g/mol
Synonyms	2,3-Dichloro-5-methyl-p-phenylenediamine; 1,4-Diamino-2,3-dichloro-5-methylbenzene; 2,3-Dichloro-5-methyl-1,4-benzenediamine; 5-Methyl-2,3-dichloro-1,4-phenylenediamine; 2,3-Dichloro-5-methylbenzene-1,4-diamine; 2,3-Dichloro-5-methyl-para-phenylenediamine; 4-Amino-2,3-dichloro-5-methylaniline
EINECS	Contact for details

Quality Control

Our 2,3-Dichloro-5-Methyl-1,4-Benzenediamine is produced under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. Standard quality parameters include assay purity, identification, and control of key impurities. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided for each shipment to support your quality assurance and regulatory 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 material is light-sensitive and should be stored away from light. Keep away from strong oxidizing agents, strong acids, and strong bases.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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