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Cuprate, [μ-[[3,3'-Azoxybis[6-[2-[4-[[3-Hydroxy-4-[(2-Hydroxy-5-Sulfophenyl) Azo]Phenyl]Azo]-2-Sulfophenyl] Ethenyl] Benzenesulfonato]]]]Di-, Hexasodium CAS NO 82027-60-9


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CAS No.:82027-60-9

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

Cuprate, [μ-[[3,3'-Azoxybis[6-[2-[4-[[3-Hydroxy-4-[(2-Hydroxy-5-Sulfophenyl) Azo]Phenyl]Azo]-2-Sulfophenyl] Ethenyl] Benzenesulfonato]]]]Di-, Hexasodium is a complex, water-soluble azo dye complex containing copper. This compound matters for its ability to provide intense and stable coloration, particularly in demanding industrial environments where other dyes may fade or degrade. It is primarily needed by manufacturers in the textile, leather, and specialty ink industries seeking high-performance colorants for synthetic fibers and other materials.

Application

  • Dyeing of Synthetic Fibers: Primary application for coloring polyamide (nylon), polyester, and acrylic fibers, offering excellent wash and light fastness.
  • Leather Finishing: Used in the dyeing process for leather goods, providing deep, uniform shades.
  • Inkjet Inks: A key component in the formulation of industrial and specialty inkjet inks requiring specific color properties and stability.
  • Paper Coloration: Employed in the production of specialty colored papers and boards.
  • Biological Staining: Potential use as a histological stain in laboratory settings due to its metal-complex structure.
  • Plastics and Polymers: For mass coloration of certain plastics during the manufacturing process.

Basic Information

Item Detail
Product Name Cuprate, [μ-[[3,3'-Azoxybis[6-[2-[4-[[3-Hydroxy-4-[(2-Hydroxy-5-Sulfophenyl) Azo]Phenyl]Azo]-2-Sulfophenyl] Ethenyl] Benzenesulfonato]]]]Di-, Hexasodium
CAS No. 82027-60-9
Molecular Formula Contact for details
Molecular Weight Contact for details
Synonyms C.I. Direct Blue 218; Direct Blue 218; Hexasodium [μ-[[3,3'-azoxybis[6-[2-[4-[[3-hydroxy-4-[(2-hydroxy-5-sulfophenyl)azo]phenyl]azo]-2-sulfophenyl]ethenyl]benzenesulfonato]]]dicuprate; Cuprate, [μ-[[3,3'-azoxybis[6-[2-[4-[[3-hydroxy-4-[(2-hydroxy-5-sulfophenyl)azo]phenyl]azo]-2-sulfophenyl]ethenyl]benzenesulfonato]]]di-, hexasodium salt; Direct Blue 2B (related class); Azo Copper Complex Dye
EINECS Contact for details

Quality Control

Our azo dye complexes are manufactured under a strict quality management system. Each batch undergoes rigorous testing for color strength, purity, solubility, and heavy metal content to ensure consistency and performance. Certificates of Analysis (COA) detailing specifications such as assay, shade, and fastness properties are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 Dark blue to black powder or granules
Identification (IR) Conforms to standard
Assay (Color Strength) ≥ 95% (vs. Standard)
Moisture Content ≤ 5.0%
Water Solubility Clear solution at 1%
pH (1% Solution) 6.0 - 8.0
Heavy Metals (as Pb) ≤ 50 ppm
Fastness Properties (Typical) Light: 5-6; Wash: 4-5

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

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