Description

Benzenediazonium, 4-Sulfo-, Chloride is a specialized diazonium salt derivative, a key intermediate in organic synthesis and industrial dye manufacturing. Its value lies in its ability to introduce the diazonium functional group, which is crucial for azo coupling reactions, enabling the production of vibrant and stable colorants. This compound is essential for chemical manufacturers and research laboratories focused on developing dyes, pigments, and other functional materials.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a critical coupling agent in the synthesis of acid dyes, direct dyes, and reactive dyes for textiles, leather, and paper.
• Chemical Synthesis Reagent: Used in Sandmeyer and related reactions to introduce functional groups like -Cl, -CN, or -OH onto aromatic rings.
• Photographic Chemicals: Employed in the production of certain light-sensitive compounds and photographic developers.
• Research & Development: A valuable building block in academic and industrial R&D for creating novel organic molecules and polymers.
• Surface Modification: Can be used to functionalize surfaces through diazonium chemistry for advanced material applications.

Basic Information

Product Name	Benzenediazonium, 4-Sulfo-, Chloride
CAS No.	6118-33-8
Molecular Formula	C6H4ClN2O3S
Molecular Weight	219.62 g/mol
Synonyms	4-Sulfobenzenediazonium Chloride; p-Diazobenzenesulfonic Acid Chloride; Benzenesulfonic Acid, 4-Diazo-, Chloride; Diazonium Salt of p-Sulfobenzoic Acid Chloride; Fast Red Salt; 4-Diazobenzenesulfonyl Chloride
EINECS	Contact for details

Quality Control

Our Benzenediazonium, 4-Sulfo-, Chloride is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing key parameters such as assay, moisture content, and impurity profiles. Our quality systems are designed to meet the stringent requirements of industrial chemical synthesis.

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, containers should be kept in opaque packaging or amber glass. Isolate from incompatible materials such as strong bases, reducing agents, and heat sources.

Specification

Item	Specification
Appearance	Light yellow to beige crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Water Content (KF)	Max. 2.0%
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.