Description

Sodium 3-Chloro-6-[(2,4-Dihydroxyphenyl)Azo]Toluene-4-Sulphonate is a specialized azo dye intermediate and chemical compound. It is valued for its precise molecular structure, which serves as a critical building block in the synthesis of high-performance dyes and pigments. This product is essential for manufacturers and R&D facilities in the colorant, textile, and specialty chemical industries seeking reliable, high-purity intermediates for their formulations.

Application

• Primary Intermediate for Azo Dyes: A key precursor in the manufacturing of complex azo dyes, particularly those requiring specific shades of yellow, orange, and brown.
• Textile Dyeing and Printing: Used in the synthesis of dyes applied to natural and synthetic fibers like cotton, wool, and nylon.
• Pigment Production: Serves as a starting material for creating organic pigments used in inks, paints, and coatings.
• Research & Development: Employed in chemical research for developing new chromophores and studying azo coupling reactions.
• Specialty Chemical Synthesis: Acts as a functional intermediate in the production of more complex sulfonated aromatic compounds.
• Laboratory Reagent: Can be utilized as a standard or reagent in analytical and synthetic chemistry laboratories.

Basic Information

Product Name	Sodium 3-Chloro-6-[(2,4-Dihydroxyphenyl)Azo]Toluene-4-Sulphonate
CAS No.	95873-56-6
Molecular Formula	C13H9ClN2NaO6S
Molecular Weight	379.73 g/mol
Synonyms	Sodium 3-Chloro-6-[(2,4-dihydroxyphenyl)azo]-4-methylbenzenesulfonate; Benzenesulfonic acid, 3-chloro-6-[(2,4-dihydroxyphenyl)azo]-4-methyl-, sodium salt; 4-Methyl-3-chloro-6-[(2,4-dihydroxyphenyl)azo]benzenesulfonic acid sodium salt; Azo dye intermediate 95873-56-6; C.I. Azoic Coupling Component (variants); Sulfonated azo dye intermediate; Toluene-4-sulphonate azo derivative
EINECS	Contact for details

Quality Control

Our Sodium 3-Chloro-6-[(2,4-Dihydroxyphenyl)Azo]Toluene-4-Sulphonate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistent purity, identity, and performance as a dye intermediate. Certificates of Analysis (COA) detailing key specifications are available upon request 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 room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided.

Specification

Item	Specification
Appearance	Orange to brown powder or crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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