Description

Cuprate(3-), [μ-[5-(acetylamino)-3- [[4'-[(1,8-dihydroxy-5-sulfo-2-naphthalenyl)azo]-3 ,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy- 2,7-naphthalenedisulfonato(7-)]]di-, ammonium sodium, compds. with ethanolamine is a complex, high-purity copper-based azo dye intermediate designed for specialized industrial synthesis. This compound is critical for manufacturers requiring precise colorant development and consistent batch-to-batch performance in demanding applications. It is primarily utilized by producers of high-performance pigments, specialty inks, and advanced textile dyes who value supply chain reliability and stringent quality control.

Application

• High-Performance Pigment Synthesis: A key intermediate in the manufacture of complex organic pigments for automotive coatings, industrial paints, and plastics coloring.
• Specialty Ink Formulation: Used in the production of dyes for security inks, inkjet inks, and other advanced printing applications requiring specific lightfastness and chemical resistance.
• Textile Dye Manufacturing: Serves as a precursor for developing dyes used in coloring synthetic fibers like nylon and polyester, where wash and light fastness are critical.
• Functional Dye Production: Potential use in the synthesis of dyes for optical data storage, liquid crystal displays (LCDs), and other optoelectronic applications.
• Research & Development: Employed in chemical R&D laboratories for developing novel chromophores and studying structure-property relationships in dye chemistry.

Basic Information

Item	Details
Product Name	Cuprate(3-), [μ-[5-(acetylamino)-3- [[4'-[(1,8-dihydroxy-5-sulfo-2-naphthalenyl)azo]-3 ,3'-dihydroxy[1,1'-biphenyl]-4-yl]azo]-4-hydroxy- 2,7-naphthalenedisulfonato(7-)]]di-, ammonium sodium, compds. with ethanolamine
CAS No.	72905-95-4
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Copper complex of a disazo dye; Azo dye copper complex; C.I. Pigment Brown (related complex); Ethanolamine complex of copper azo dye; Ammonium sodium cuprate azo complex; Textile dye intermediate 72905-95-4; Light-sensitive copper dye intermediate
EINECS	Contact for details

Quality Control

Our production of this specialty dye intermediate adheres to a strict quality management system to ensure purity and batch consistency critical for downstream synthesis. Every lot is analyzed using advanced techniques including HPLC and spectrophotometry to verify identity and strength. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical 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, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The container must be kept tightly sealed to protect from moisture and contamination.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Heavy Metals (as Pb)	Max. 20 ppm
Residual Solvents	Meets ICH guidelines

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