Description

Dicopper Trisodium 7-[4-[4-(6-Anilino-3-Oxido-1-Sulfonato-Naphthalen-2 -Yl)Diazenyl-3-Oxido-Phenyl]-2-Oxido-Phenyl]Diazenyl-8-Oxido-Naphthale Ne-1,6-Disulfonate is a high-purity, complex metallized azo dye intermediate. This compound is valued for its role as a critical precursor in the synthesis of high-performance, colorfast pigments and dyes. It is essential for manufacturers in the textile, ink, and specialty coatings industries seeking to produce vibrant, durable colors with specific technical properties.

Application

• Primary Intermediate for Metallized Azo Pigments: A key building block in the production of high-grade, lightfast, and weather-resistant organic pigments.
• Textile Dye Manufacturing: Used in synthesizing specialized dyes for synthetic fibers, providing excellent wash and rub fastness.
• Industrial Ink Formulation: Serves as a precursor for pigments used in printing inks for packaging, publications, and security applications.
• Specialty Coatings and Paints: Enables the creation of pigments for automotive, industrial, and decorative coatings requiring high durability.
• Plastics and Masterbatch Coloring: Used to develop colorants for engineering plastics and polymer applications where heat stability is crucial.
• Research & Development: Employed in academic and industrial R&D for developing novel colorants and studying coordination chemistry.

Basic Information

Product Name	Dicopper Trisodium 7-[4-[4-(6-Anilino-3-Oxido-1-Sulfonato-Naphthalen-2 -Yl)Diazenyl-3-Oxido-Phenyl]-2-Oxido-Phenyl]Diazenyl-8-Oxido-Naphthale Ne-1,6-Disulfonate
CAS No.	6656-03-7
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Pigment Brown 33; Copper Brown 33; Dicopper Sodium 1,6-Naphthalenedisulfonate Derivative; Trisodium, (mu-((7-((4-((6-(phenylamino)-3-oxido-4-sulfo-1-naphthalenyl)diazenyl)-3-oxidophenyl)diazenyl)-8-oxido-1,6-naphthalenedisulfonato(8-)))dicuprate(3-); Pigment Brown 33; C.I. 77503
EINECS	Contact for details

Quality Control

Our production of Dicopper Trisodium 7-[4-[4-(6-Anilino-3-Oxido-1-Sulfonato-Naphthalen-2 -Yl)Diazenyl-3-Oxido-Phenyl]-2-Oxido-Phenyl]Diazenyl-8-Oxido-Naphthale Ne-1,6-Disulfonate adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing to ensure consistent purity, color strength, and chemical composition. Certificates of Analysis (COA) detailing key 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, well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Dark Brown Powder
Identification (IR)	Conforms to Standard
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Heavy Metals (as Pb)	Max. 20 ppm
Solubility	Soluble in Water

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