Description

Cuprate(4-), [μ-[3,3'-[(3,3'-Dihydroxy[ 1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[5-Amino-4 -Hydroxy-2,7-Naphthalenedisulfonato]]]Di-, Dilithium Disodium is a high-purity, complex metal-organic coordination compound designed for advanced technical applications. Its value lies in its unique structure, which provides specific functional properties critical for demanding industrial processes. This product is essential for manufacturers and research institutions in sectors requiring specialized dyes, catalysts, or analytical reagents.

Application

• Specialized Dye Intermediate: Used in the synthesis of high-performance, metal-complex dyes for textiles, inks, and coatings.
• Analytical Chemistry Reagent: Serves as a selective chelating agent or colorimetric indicator in complexometric titrations and trace metal analysis.
• Catalyst Precursor: Potential use as a precursor for copper-based catalysts in organic synthesis and oxidation reactions.
• Functional Material Research: Employed in R&D for developing novel coordination polymers, sensors, or electronic materials.
• Photographic and Imaging Chemicals: May be utilized in specialized photographic processes or as a component in light-sensitive formulations.

Basic Information

Product Name	Cuprate(4-), [μ-[3,3'-[(3,3'-Dihydroxy[ 1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[5-Amino-4 -Hydroxy-2,7-Naphthalenedisulfonato]]]Di-, Dilithium Disodium
CAS No.	126637-70-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Direct Blue 218; Copper complex of direct blue 218; Dilithium disodium copper complex of direct blue 218; [μ-[3,3'-[(3,3'-Dihydroxy[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato]]]dicuprate(4-), dilithium disodium salt; Direct Blue 218, copper complex
EINECS	Contact for details

Quality Control

Our Cuprate(4-), [μ-[3,3'-[(3,3'-Dihydroxy[ 1,1'-Biphenyl]-4,4'-Diyl)Bis(Azo)]Bis[5-Amino-4 -Hydroxy-2,7-Naphthalenedisulfonato]]]Di-, Dilithium Disodium is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) documenting key specifications is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed after each use to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 5.0%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents (GC)	Meets ICH guidelines

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