Description

Cuprate(8-), [μ-[[3,3'-(Carbonyldiimino) Bis[7-[(2,8-Dihydroxy-3,6-Disulfo-1-Naphthalenyl )Azo]-8-Hydroxy-1,5-Naphthalenedisulfonato]](1 2-)]]Di-, Octasodium is a high-purity, water-soluble coordination complex featuring a central copper atom within a sophisticated polyazo-naphthalene sulfonate ligand framework. This compound is engineered to deliver exceptional colorimetric and chelating performance in demanding industrial applications. It is primarily sought after by manufacturers in the specialty dyes and pigments, analytical chemistry, and metal treatment sectors for its unique functional properties.

Application

• Specialty Dye and Pigment Manufacturing: Serves as a key intermediate or colorant for producing high-value, complex dyes with specific lightfastness and hue properties.
• Analytical Reagent: Used in spectrophotometric analysis and as a colorimetric indicator for the detection and quantification of specific metal ions or biomolecules.
• Metal Surface Treatment: Functions as a complexing agent in plating baths or surface conditioning formulations for non-ferrous metals.
• Catalyst Synthesis: Acts as a precursor or ligand in the preparation of homogeneous catalysts for organic synthesis reactions.
• Research & Development: Employed in academic and industrial R&D for studying coordination chemistry, developing new sensors, and creating advanced functional materials.
• Textile Processing: Potential use in specialized textile dyeing processes requiring high-affinity metal-complex dyes.

Basic Information

Item	Details
Product Name	Cuprate(8-), [μ-[[3,3'-(Carbonyldiimino) Bis[7-[(2,8-Dihydroxy-3,6-Disulfo-1-Naphthalenyl )Azo]-8-Hydroxy-1,5-Naphthalenedisulfonato]](1 2-)]]Di-, Octasodium
CAS No.	72869-84-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Octasodium Cuprate Complex; Copper Polyazo Naphthalene Sulfonate Complex; C.I. Direct Blue 86 (related compound); Azo Metal Complex Dye; Tetranuclear Copper Complex; Bis(3,3'-carbonyldiiminobis(7-((2,8-dihydroxy-3,6-disulfo-1-naphthyl)azo)-8-hydroxy-1,5-naphthalenedisulfonato))di-cuprate(8-) octasodium salt
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols. Every batch is characterized using advanced analytical techniques to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing key specifications such as assay, metal content, and impurity profiles are provided and available upon request to support your quality assurance processes.

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). This material is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (Cu Content)	≥ 95.0% (by ICP-OES)
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Solubility (in Water)	Completely soluble

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