Description

2,5-Dimethoxy-4-[(4-Sulphophenyl)Azo]Benzenediazonium Chloride is a specialized diazonium salt compound, recognized for its role as a versatile chemical intermediate and chromophore. Its value lies in its ability to form stable azo linkages and participate in diazo coupling reactions, which are fundamental in the synthesis of dyes and functional materials. This product is essential for manufacturers and R&D teams in the dyestuff, pigment, and specialty chemical industries, where precise molecular structure is critical for performance.

Application

• Primary Intermediate for Azo Dyes and Pigments: Serves as a key building block in the synthesis of acid dyes, direct dyes, and other azo-based colorants.
• Functional Dye Synthesis: Used in the production of dyes for textiles, leather, paper, and ink applications, particularly where sulfonic acid groups enhance water solubility.
• Research & Development: Employed in organic synthesis laboratories for studying diazonium chemistry and developing novel chromophores or photoactive materials.
• Specialty Chemical Manufacturing: Acts as a precursor for more complex molecules used in analytical reagents or as biochemical probes.
• Surface Modification Agent: Potential use in covalent surface functionalization via diazonium chemistry for materials science applications.

Basic Information

Product Name	2,5-Dimethoxy-4-[(4-Sulphophenyl)Azo]Benzenediazonium Chloride
CAS No.	67875-33-6
Molecular Formula	C14H13ClN4O5S
Molecular Weight	384.80 g/mol
Synonyms	4-[(4-Sulfophenyl)azo]-2,5-dimethoxybenzenediazonium chloride; 2,5-Dimethoxy-4-(4-sulfophenylazo)benzenediazonium chloride; Fast Red ITR Salt; Azoic Diazo Component 44; Diazonium salt, 4-[(4-sulfophenyl)azo]-2,5-dimethoxybenzene-, chloride; 2,5-Dimethoxy-4-[(4-sulfophenyl)azo]benzenediazonium chloride; 67875-33-6
EINECS	Contact for details

Quality Control

Our production of 2,5-Dimethoxy-4-[(4-Sulphophenyl)Azo]Benzenediazonium Chloride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure consistent purity, identity, and performance. We provide detailed Certificates of Analysis (COA) with each shipment, documenting key parameters such as assay, impurity profile, and physical characteristics to support your quality assurance processes.

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 hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent degradation from atmospheric moisture. Keep away from incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Solubility	Soluble in water, DMF; slightly soluble in ethanol
Heavy Metals (as Pb)	≤ 20 ppm

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