Description

4-[(2-Chloro-5-Sulphophenyl)Azo]Benzenediazonium Chloride is a specialized diazonium salt intermediate of significant importance in synthetic organic chemistry. Its primary value lies in its role as a versatile coupling agent for the synthesis of azo dyes and pigments, which are critical for coloring textiles, inks, and plastics. This high-purity intermediate is essential for manufacturers and R&D laboratories in the dye, pigment, and fine chemical industries seeking to develop vibrant and stable colorants.

Application

• Primary Intermediate for Azo Dye Synthesis: Serves as a key coupling component in the production of acid, direct, and reactive dyes for textiles like wool, silk, and nylon.
• Pigment Manufacturing: Used in the synthesis of high-performance organic pigments for inks, coatings, and plastics, offering excellent color strength and lightfastness.
• Research & Development: A crucial reagent in academic and industrial R&D for exploring new chromophores and functional materials.
• Specialty Chemical Production: Employed in the synthesis of more complex chemical structures where the diazonium group facilitates specific bond formation.

Basic Information

Item	Detail
Product Name	4-[(2-Chloro-5-Sulphophenyl)Azo]Benzenediazonium Chloride
CAS No.	68003-12-3
Molecular Formula	C12H8Cl2N4O3S
Molecular Weight	359.18 g/mol
Synonyms	4-[(2-Chloro-5-sulfophenyl)azo]benzenediazonium chloride; 2-Chloro-5-[(4-diazoniophenyl)azo]benzenesulfonate; Diazonium salt of C.I. Acid Yellow 17; Azo diazonium salt intermediate; 4-[(2-Chloro-5-sulfophenyl)hydrazono]cyclohexa-2,5-dien-1-yldiazonium chloride; (2-Chloro-5-sulfophenyl)azo benzene diazonium chloride
EINECS	Contact for details

Quality Control

Our production of 4-[(2-Chloro-5-Sulphophenyl)Azo]Benzenediazonium Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC and NMR to confirm identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its light-sensitive nature, handling should be minimized under direct light. Keep away from heat, sparks, and open flame. Isolate from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Orange to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Related Substances (HPLC)	Total impurities ≤ 5.0%
Solubility	Soluble in water, polar organic solvents

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