Description

Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 4-[(4-Aminophenyl)Azo]Benzenesulfonic Acid And Resorcinol is a complex azo dye intermediate, also known as a disazo coupling product. This compound is valued for its role in synthesizing high-performance dyes and pigments, offering excellent color properties and structural stability. It is primarily required by manufacturers in the textile, ink, and specialty chemical industries for producing vibrant and durable colorants.

Application

• Primary Intermediate for Azo Dyes & Pigments: Serves as a key building block in the synthesis of disazo and polyazo dyes, which are used for coloring textiles, leather, and paper.
• Textile Dyeing and Printing: Used in the formulation of dyes for cotton, wool, silk, and synthetic fibers, providing good wash and light fastness.
• Ink Manufacturing: Employed in the production of pigments for printing inks, including packaging and publication inks, due to its color strength.
• Specialty Chemical Synthesis: Acts as a precursor for more complex colorants and functional chemicals used in research and advanced material development.
• Industrial Colorants: Applied in the coloring of plastics, paints, and coatings where specific shade and stability are required.

Basic Information

Product Name	Benzenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 4-[(4-Aminophenyl)Azo]Benzenesulfonic Acid And Resorcinol
CAS No.	90218-16-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Acid Orange 67 Intermediate; Disazo dye intermediate from diazotized 4-aminobenzenesulfonic acid and resorcinol; 4-Aminobenzenesulfonic acid, diazotized, coupled with diazotized 4-[(4-aminophenyl)azo]benzenesulfonic acid and resorcinol; Azo coupling product of diazotized sulfanilic acid and resorcinol; Textile dye intermediate 90218-16-9; [4-[(4-Aminophenyl)azo]benzenesulfonic acid, diazotized], coupled with diazotized benzenesulfonic acid, 4-amino- and resorcinol
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 using advanced analytical techniques. Certificates of Analysis (COA) are available upon request, detailing key parameters such as assay, impurity profile, and physical characteristics to meet your specific application requirements.

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 incompatible materials such as strong oxidizing agents. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Powder or crystalline solid
Color	Characteristic color (e.g., orange to brown)
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 2.0%
Ash Content	Max. 1.0%

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