Description

Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With 5,5'-Oxybis[1,3-Benzenediol], Sodium Salt is a specialized synthetic dye intermediate, specifically an azo dye derived from diazotized 4-aminobenzenesulfonic acid. This compound is valued for its ability to impart a strong, stable color upon coupling, making it a critical precursor in the production of high-performance dyes and pigments. It is primarily required by manufacturers in the textile, leather, ink, and specialty chemical industries seeking to develop vivid and durable colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as the key color-forming component in the synthesis of a wide range of orange, red, and brown azo dyes.
• Textile Dyeing and Printing: Used in the production of dyes for coloring natural and synthetic fibers such as cotton, wool, and nylon.
• Leather Finishing: Employed in the formulation of dyes for achieving consistent and deep coloration in leather goods.
• Ink Manufacturing: A crucial component in the creation of colored inks for various printing applications, including packaging and publications.
• Paper Coloring: Used in the production of dyes for tinting paper and paper products.
• Specialty Chemical Synthesis: Acts as a building block for more complex colorants and functional chemicals used in research and high-tech applications.

Basic Information

Item	Detail
Product Name	Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With 5,5'-Oxybis[1,3-Benzenediol], Sodium Salt
CAS No.	97675-28-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Aminobenzenesulfonic Acid, Diazotized, Coupled with 5,5'-Oxybis[1,3-Benzenediol], Sodium Salt; Azo Dye Intermediate from 4-Aminobenzenesulfonic Acid and 5,5'-Oxybis[1,3-Benzenediol]; Sodium 4-[(4-sulfophenyl)diazenyl]-2,2'-oxybis(benzene-1,3-diolate); C.I. Azoic Coupling Component Derivative; Diazonium Salt Coupling Product; Textile Dye Intermediate 97675-28-0
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards and batch-to-batch consistency. Quality is verified through analytical methods including HPLC, spectrophotometry, and titration to confirm identity, purity, and strength. Certificates of Analysis (COA) detailing all specifications are available upon request to support your quality assurance protocols.

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). Keep away from strong oxidizing agents and incompatible materials. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colored Powder or Solid
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Heavy Metals (as Pb)	Max. 20 ppm
Solubility	Test in specified solvent

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