Description

Cuprate(2-), [4-[[2,4-dihydroxy-3-[(4-nitrophenyl)azo]-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato(4-)]-, disodium is a complex, high-purity copper-based azo dye intermediate. This compound is valued for its precise chemical structure, which is critical for producing consistent and vibrant colorants in demanding applications. It is primarily required by manufacturers in the specialty dyes and pigments industry, particularly for applications requiring high color strength and stability. The product is supplied with CAS No. 129212-10-8.

Application

• Key intermediate for the synthesis of high-performance azo dyes and pigments.
• Used in the production of colorants for textile dyeing and printing processes.
• Manufacture of specialty pigments for inks, including industrial and security printing applications.
• Potential use in the formulation of colored coatings and paints where specific color properties are required.
• Research and development of novel functional dyes for optical or electronic applications.
• Production of colorants for plastics and polymers.

Basic Information

Product Name	Cuprate(2-), [4-[[2,4-dihydroxy-3-[(4-nitrophenyl)azo]-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato(4-)]-, disodium
CAS No.	129212-10-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Disodium Cuprate Azo Dye Intermediate; C.I. Pigment Complex; Copper Azo Dye Salt; [4-[[2,4-Dihydroxy-3-[(4-nitrophenyl)azo]-5-[[4-[(4-nitro-2-sulfophenyl)amino]phenyl]azo]phenyl]azo]-3-hydroxy-7-nitro-1-naphthalenesulfonato(4-)]cuprate(2-) disodium; Nitrophenyl Azo Copper Complex; Specialty Dye Intermediate 129212-10-8; Textile Dye Precursor
EINECS	Contact for details

Quality Control

Our Cuprate(2-) disodium azo dye intermediate is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. Quality is verified through a comprehensive suite of analytical techniques including HPLC, UV-Vis spectroscopy, and elemental analysis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles 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 room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed after opening to minimize exposure to atmospheric moisture and light.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Heavy Metals (as Pb)	≤ 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.