Description

Sodium 4-[[3-[(4-Chloro-2-Hydroxyphenyl)Azo]-2,6-Dihydroxyphenyl]Azo]Benzenesulphonate is a high-purity, water-soluble azo dye intermediate. This compound is valued for its ability to impart vibrant and stable color properties in specialized formulations. It is primarily required by manufacturers in the textile, leather, and specialty ink industries for producing high-performance dyes and pigments.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile coloring.
• Key component in the production of leather dyes for uniform and durable finishes.
• Used in formulating specialty inks, including inks for packaging and security printing.
• Employed in the manufacture of colorants for plastics and polymers.
• Acts as a research chemical in the development of new chromophoric systems and analytical reagents.
• Potential use in the production of functional dyes for non-textile applications.

Basic Information

Product Name	Sodium 4-[[3-[(4-Chloro-2-Hydroxyphenyl)Azo]-2,6-Dihydroxyphenyl]Azo]Benzenesulphonate
CAS No.	79817-79-1
Molecular Formula	C24H15ClN4NaO7S
Molecular Weight	569.91 g/mol
Synonyms	Benzenesulfonic acid, 4-[[3-[(4-chloro-2-hydroxyphenyl)azo]-2,6-dihydroxyphenyl]azo]-, sodium salt (1:1); C.I. 27290; Sodium 4-[(3-[(4-chloro-2-hydroxyphenyl)azo]-2,6-dihydroxyphenyl)azo]benzenesulfonate; Acid Red 299; 4-[[3-[(4-Chloro-2-hydroxyphenyl)azo]-2,6-dihydroxyphenyl]azo]benzenesulfonic acid sodium salt; Azo dye intermediate 79817-79-1
EINECS	Contact for details

Quality Control

Our Sodium 4-[[3-[(4-Chloro-2-Hydroxyphenyl)Azo]-2,6-Dihydroxyphenyl]Azo]Benzenesulphonate is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing to ensure high purity, consistent performance, and compliance with relevant industry standards. Comprehensive Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Dark red to brown powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Water Solubility	Freely soluble

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