Description

Trisodium [mu-[2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]-7-sulpho-2-naphthyl]amino]carbonyl]amino]-3-sulpho-2-naphthyl]azo]benzoato(7-)]]dicuprate(3-) is a high-purity, complex copper azo dye compound designed for specialized industrial applications. This product is valued for its precise chemical structure and consistent performance as a functional colorant and catalyst precursor. It is primarily utilized by manufacturers in the pigments, specialty coatings, and advanced material synthesis sectors where specific color properties and metal complex interactions are required.

Application

• Manufacturing of high-performance, weather-resistant organic pigments and colorants.
• Key intermediate in the synthesis of specialized metal-complex dyes for textiles and plastics.
• Functional additive in specialty coatings and inks requiring unique spectral properties.
• Precursor for catalysts used in selective organic synthesis reactions.
• Research and development of novel photovoltaic and electronic materials.
• Colorant for industrial markers, security inks, and other niche identification systems.

Basic Information

Item	Details
Product Name	Trisodium [mu-[2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-sulphophenyl)azo]-7-sulpho-2-naphthyl]amino]carbonyl]amino]-3-sulpho-2-naphthyl]azo]benzoato(7-)]]dicuprate(3-)
CAS No.	6837-87-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Copper complex of C.I. Direct Blue 218; C.I. 24401; Direct Blue 218, Copper complex; Trisodium dicuprate complex; Azo copper complex dye; Benzoic acid, 2-[[1-hydroxy-6-[[[[5-hydroxy-6-[(2-hydroxy-5-sulfophenyl)azo]-7-sulfo-2-naphthalenyl]amino]carbonyl]amino]-3-sulfo-2-naphthalenyl]azo]-, copper complex; Direct Blue 218 (Copper complex variant); CI 24401:1
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management systems to ensure batch-to-batch consistency and purity. Every lot is analyzed against stringent in-house specifications, which typically include identity confirmation, assay, and control of key impurities. A Certificate of Analysis (COA) detailing all test results 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 sealed to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (Cu Content)	Contact for details
Purity (HPLC)	≥ 95% (or as per grade)
Loss on Drying	≤ 5.0%
Sulfated Ash	Contact for details
Heavy Metals	≤ 20 ppm

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