Description

Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 4-Nitrobenzenamine And Resorcinol is a complex azo dye intermediate, synthesized through a multi-step diazotization and coupling process. This compound matters as a critical precursor for producing high-value, color-intensive dyes and pigments with specific hue and fastness properties. It is primarily needed by manufacturers in the textile, leather, paper, and specialty ink industries seeking to develop vibrant and durable colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of complex, high-performance azo colorants.
• Textile Dyeing: Used in the production of dyes for coloring natural and synthetic fibers, offering good wash and light fastness.
• Leather Finishing: Employed in the manufacture of dyes for imparting deep, uniform colors to leather goods.
• Paper Coloring: A component in the production of dyes for specialty papers and packaging materials.
• Ink Formulation: Used in creating pigments for printing inks, including those for textiles and packaging.
• Research & Development: Utilized in chemical research for developing novel chromophores and studying azo coupling reactions.

Basic Information

Product Name	Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 4-Nitrobenzenamine And Resorcinol
CAS No.	90218-17-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	4-Aminobenzenesulfonic acid, diazotized, coupled with diazotized 4-nitrobenzenamine and resorcinol; Azo dye intermediate from 4-aminobenzenesulfonic acid, 4-nitroaniline, and resorcinol; C.I. Azoic Coupling Component (variant); Diazonium salt coupling product; Sulfanilic acid diazo coupled derivative; 4-Nitrobenzenediazonium coupled dye intermediate; Resorcinol based azo dye precursor
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is controlled for identity, purity, and consistency to meet the demanding requirements of dye and pigment synthesis. Certificates of Analysis (COA) documenting key parameters are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be opaque or stored in dark conditions.

Specification

Item	Specification
Appearance	Colored Powder or Solid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95% (or as per grade)
Moisture Content	≤ 2.0%
Ash Content	≤ 1.0%
Solubility	Test in specified solvent

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