Description

4-Chloro-o-Phenylenediamine is a versatile aromatic diamine derivative, primarily recognized as a key synthetic intermediate in the production of high-performance dyes and pigments. Its value lies in its reactive amino and chloro substituents, which enable precise chemical modifications for creating complex molecular structures. This compound is essential for manufacturers in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop advanced active ingredients and colorants.

Application

• Dye and Pigment Intermediate: A crucial building block for synthesizing azo dyes, hair dyes, and other complex organic pigments.
• Pharmaceutical Synthesis: Used as a precursor in the manufacture of various active pharmaceutical ingredients (APIs) and diagnostic agents.
• Agrochemical Production: Serves as an intermediate in the synthesis of herbicides, fungicides, and other crop protection chemicals.
• Polymer and Resin Modifier: Employed in the production of specialty polymers, epoxy curing agents, and polyurethane materials.
• Chemical Research & Development: A valuable reagent for organic synthesis and material science research in academic and industrial laboratories.
• Photographic Chemicals: Used in the formulation of certain photographic developers and sensitizers.

Basic Information

Product Name	4-Chloro-o-Phenylenediamine
CAS No.	95-83-0
Molecular Formula	C6H7ClN2
Molecular Weight	142.59 g/mol
Synonyms	1,2-Diamino-4-chlorobenzene; 4-Chloro-1,2-benzenediamine; 4-Chloro-1,2-diaminobenzene; 4-Chloro-1,2-phenylenediamine; o-Phenylenediamine, 4-chloro-; C.I. 76025; Developer C; 4-Cl-o-PDA
EINECS	202-456-7

Quality Control

Our 4-Chloro-o-Phenylenediamine is produced under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting specifications for industrial and research applications. Certificates of Analysis (COA) documenting purity, physical properties, and impurity profiles are available upon request to support your quality assurance protocols.

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 strong oxidizing agents, acids, and heat sources. Due to its light-sensitive nature, containers should be kept in opaque packaging or dark storage conditions.

Specification

Item	Specification
Appearance	Light brown to gray crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	68°C - 72°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.