Description

Tetrapotassium [7-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-4-Hydroxy-3-[(2-Hydroxy-4,7-Disulpho-1-Naphthyl)Azo]Naphthalene-1,5-Disulphonato(6-)]Cuprate(4-) is a high-purity, complex copper-based azo dye intermediate. This compound is valued for its precise molecular structure, which imparts specific chromophoric and metal-complexing properties critical for advanced applications. It serves as an essential precursor for manufacturers in the specialty dyes and pigments sector, particularly for producing high-performance colorants with enhanced light and wash fastness.

Application

• Precursor for High-Performance Metal-Complex Dyes: Primary use in synthesizing specialized azo dyes for textiles, leather, and plastics requiring superior stability.
• Specialty Pigment Manufacturing: Key intermediate in the production of complex organic pigments used in automotive coatings, industrial paints, and inks.
• Functional Dyes for Technical Applications: Used in the development of dyes for optical data storage, laser dyes, or other high-tech photonic applications.
• Research & Development: Serves as a critical standard or building block in chemical R&D for novel chromophores and coordination chemistry studies.
• Analytical Reagents: Potential use as a colorimetric reagent or indicator in specific analytical chemistry methodologies due to its distinct color and complexing ability.

Basic Information

Item	Detail
Product Name	Tetrapotassium [7-[(5-Chloro-2,6-Difluoro-4-Pyrimidinyl)Amino]-4-Hydroxy-3-[(2-Hydroxy-4,7-Disulpho-1-Naphthyl)Azo]Naphthalene-1,5-Disulphonato(6-)]Cuprate(4-)
CAS No.	71735-60-9
Molecular Formula	C29H11ClCuF2K4N6O16S4
Molecular Weight	Contact for details
Synonyms	Copper complex of 7-[(5-chloro-2,6-difluoropyrimidin-4-yl)amino]-4-hydroxy-3-[(2-hydroxy-4,7-disulfo-1-naphthyl)azo]naphthalene-1,5-disulfonic acid, tetrapotassium salt; C.I. Reactive Blue 238 (related complex class); Tetrapotassium (7-((5-chloro-2,6-difluoropyrimidin-4-yl)amino)-4-hydroxy-3-((2-hydroxy-4,7-disulfo-1-naphthyl)diazenyl)naphthalene-1,5-disulfonato(6-))cuprate(4-); Azo dye-copper complex intermediate; Metal complex dye precursor
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems. Each batch is characterized and tested to ensure consistent chemical identity, purity, and performance as a dye precursor. Comprehensive analytical techniques including HPLC, UV-Vis, and elemental analysis are employed. A Certificate of Analysis (COA) detailing batch-specific results is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which may affect performance and stability.

Specification

Item	Specification
Appearance	Dark blue to violet 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
Copper Content	Contact for details

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