Description

1-Naphthalenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 5(Or 8)-Amino-2-Naphthalenesulfonic Acid, Diazotized 4-Nitrobenzenamine And Resorcinol is a complex, multi-component azo dye intermediate. This compound matters for its role as a key precursor in the synthesis of high-value, color-intensive dyes and pigments. Industrial manufacturers in the textile, leather, paper, and specialty ink sectors require this intermediate to produce vibrant and stable colorants.

Application

• Primary intermediate for the synthesis of azo dyes and pigments used in textile dyeing and printing.
• Key component in manufacturing colorants for leather finishing and tanning processes.
• Used in the production of dyes for paper coloration and specialty papers.
• Essential raw material for formulating industrial inks, including those for packaging and security printing.
• Potential use in the synthesis of functional dyes for non-textile applications, such as in research and analytical chemistry.

Basic Information

Product Name	1-Naphthalenesulfonic Acid, 4-Amino-, Diazotized, Coupled With Diazotized 5(Or 8)-Amino-2-Naphthalenesulfonic Acid, Diazotized 4-Nitrobenzenamine And Resorcinol
CAS No.	90459-11-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Azoic Coupling Component 42; Azoic Coupling Component 42; 4-Amino-1-naphthalenesulfonic acid, diazotized, coupled with diazotized 5(or 8)-amino-2-naphthalenesulfonic acid, diazotized 4-nitrobenzenamine and resorcinol; Azo dye intermediate 90459-11-3; Diazotized naphthalenesulfonic acid coupled compound; Resorcinol coupled diazo compound; Complex azo dye precursor
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is analyzed to confirm identity, purity, and consistency, supporting reliable performance in downstream synthesis. Certificates of Analysis (COA) are available upon request, providing full transparency on key parameters.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Powder or crystalline solid
Color	Characteristic color (e.g., brown to dark red)
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0% (or as per grade)
Moisture (KF)	≤ 5.0%
Ash Content	≤ 1.0%

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