Description

2,5-Dichloro-4-Sulphonatobenzenediazonium is a specialized diazonium salt derivative, a key intermediate in the synthesis of azo dyes and pigments. Its value lies in its ability to form stable, covalent bonds with aromatic compounds, enabling the creation of vibrant and colorfast dyes. This compound is essential for manufacturers in the textile, ink, and specialty chemical industries seeking to develop high-performance colorants with specific fastness properties.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a critical coupling agent in the production of high-value, chlorinated and sulphonated azo colorants.
• Textile Dye Manufacturing: Used to synthesize dyes for cotton, wool, and synthetic fibers, offering excellent wash and light fastness.
• Inkjet and Printing Ink Formulation: Key component in creating specialized pigments for high-quality inks requiring precise color and stability.
• Liquid Crystal Display (LCD) Color Filters: Potential use in the synthesis of dyes for advanced electronic display applications.
• Biological Staining Agents: Intermediate in the preparation of certain histological stains used in laboratory diagnostics.
• Research & Development: Employed in organic synthesis for constructing complex molecules via diazonium coupling reactions.

Basic Information

Item	Detail
Product Name	2,5-Dichloro-4-Sulphonatobenzenediazonium
CAS No.	69121-21-7
Molecular Formula	C6H2Cl2N2O3S
Molecular Weight	252.06 g/mol
Synonyms	2,5-Dichloro-4-sulfobenzenediazonium; 4-Diazo-2,5-dichlorobenzenesulfonate; 2,5-Dichlorobenzene-1-diazonium-4-sulfonate; 2,5-Dichloro-4-sulfodiazobenzene; Fast Scarlet VD Base; Diazonium, 2,5-dichloro-4-sulfophenyl-; 2,5-Dichloro-4-sulfophenyldiazonium
EINECS	Contact for details

Quality Control

Our 2,5-Dichloro-4-Sulphonatobenzenediazonium is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for sensitive synthesis applications. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, the material should be handled under an inert atmosphere (e.g., nitrogen or argon) when opening the container for use, and any unused material should be promptly resealed.

Specification

Item	Specification
Appearance	Yellow to orange crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 3.0%
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.