Description

Copper, Diazotized 4-Amino-3-Hydroxy-7-Nitro-1-Naphthalenesulfonic Acid-Diazotized o-Toluidine-Resorcinol Coupling Products Complexes is a specialized, high-performance metal-organic complex derived from azo dye chemistry. This compound is valued for its unique chromophoric properties and stability, making it a critical intermediate for producing high-quality, durable pigments. It is primarily sought after by manufacturers in the inks, coatings, plastics, and specialty textile dyeing industries who require consistent color strength and technical performance.

Application

• Pigment Manufacturing: As a key intermediate for producing high-performance organic pigments with excellent tintorial strength and weatherfastness.
• Industrial Inks: Used in the formulation of specialty printing inks, including packaging and security inks, for enhanced color fidelity and durability.
• Coatings and Paints: Imparts stable coloration and opacity in industrial and automotive coating systems.
• Plastics and Masterbatch: Provides consistent and heat-stable coloration for engineering plastics and synthetic fibers.
• Specialty Textile Dyes: Employed in the synthesis of dyes for technical textiles requiring specific lightfastness and chemical resistance.
• Research & Development: Serves as a reference standard and building block in chemical R&D for novel colorant and coordination complex synthesis.

Basic Information

Product Name	Copper, Diazotized 4-Amino-3-Hydroxy-7-Nitro-1-Naphthalenesulfonic Acid-Diazotized o-Toluidine-Resorcinol Coupling Products Complexes
CAS No.	90294-97-6
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Copper complex of diazotized 4-amino-3-hydroxy-7-nitro-1-naphthalenesulfonic acid coupled with diazotized o-toluidine and resorcinol; C.I. Pigment Brown; Azo Pigment Copper Complex; Diazonium Salt Coupling Product Copper Complex; Metal-complex Azo Pigment; 4-Amino-3-hydroxy-7-nitro-1-naphthalenesulfonic acid, diazotized, coupled with diazotized o-toluidine and resorcinol, copper complex
EINECS	Contact for details

Quality Control

Our production of this metal-organic complex adheres to strict quality management protocols to ensure batch-to-batch consistency and performance. Every lot is tested against key parameters including color strength, hue, and chemical composition. Certificates of Analysis (COA) detailing purity, heavy metal content, and other critical specifications are available upon request to support your quality assurance and regulatory compliance needs.

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 to prevent moisture absorption, which can affect product performance.

Specification

Item	Specification
Appearance	Fine Powder
Color	Brown to Dark Brown
Identification (IR)	Conforms
Assay (Complex Content)	Min. 95%
Moisture Content	Max. 2.0%
Ash Content	Contact for details
Heavy Metals (as Pb)	Max. 20 ppm
Particle Size (D50)	Contact for details

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