Description

Cuprate(4-), [μ-[5-amino-3-[[3,3'-dihydroxy- 4'-[(2-hydroxy-3,6-disulfo-1-naphthalenyl )azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonat o(8-)]]di-, tetrasodium is a high-purity, complex copper-based azo dye intermediate. This compound is valued for its precise chemical structure, which provides excellent chelating properties and color fastness in demanding applications. It is primarily utilized by manufacturers in the textile, specialty ink, and analytical reagent industries seeking consistent performance and batch-to-batch reliability.

Application

• Textile Dyeing: As a key intermediate for producing high-grade, metal-complex dyes for wool, nylon, and silk, offering enhanced wash and light fastness.
• Specialty Inks: Used in the formulation of security inks, jet printing inks, and other high-performance colorants requiring stability.
• Analytical Chemistry: Serves as a chelating agent or colorimetric indicator in specific laboratory and diagnostic test methods.
• Pigment Manufacturing: An intermediate in the synthesis of complex organic pigments for plastics and coatings.
• Research & Development: Utilized in chemical research for developing new coordination compounds and functional materials.

Basic Information

Product Name	Cuprate(4-), [μ-[5-amino-3-[[3,3'-dihydroxy- 4'-[(2-hydroxy-3,6-disulfo-1-naphthalenyl )azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonat o(8-)]]di-, tetrasodium
CAS No.	68140-36-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Mordant Black 17; Tetrasodium [μ-[[5-amino-3-[[3,3'-dihydroxy-4'-[(2-hydroxy-3,6-disulfo-1-naphthyl)azo][1,1'-biphenyl]-4-yl]azo]-4-hydroxy-2,7-naphthalenedisulfonato(8-)]]dicuprate(4-)]; Copper complex of Mordant Black 17; Acid Chrome Dark Blue; Chromazol Dark Blue; Azo Mordant Dye Intermediate
EINECS	Contact for details

Quality Control

Our production of this specialty chemical intermediate adheres to strict quality management protocols. Every batch is analyzed to ensure conformity with agreed specifications, focusing on critical parameters like purity, metal content, and spectral identification. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at 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 can affect product performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 5.0%
Sulfated Ash	Contact for details
Copper (Cu) Content	Contact for details

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