Description

Cuprate(2-), [3-[[2,4-Dihydroxy-3-[(4-Nitro-2-Sulfophenyl) Azo] Phenyl] Azo]-2-Hydroxy-5-Nitrobenzenesulfonato(4-)]-, Dihydrogen is a complex, high-purity copper-based azo dye intermediate. This compound is critical for synthesizing specialized dyes and pigments with enhanced color fastness and complexing properties. It is primarily required by manufacturers in the textile, leather, and specialty chemical industries for producing high-performance colorants.

Application

• Primary intermediate for the synthesis of metal-complex dyes, particularly for wool, silk, and nylon.
• Key component in the production of high-grade pigments for inks, coatings, and plastics.
• Used in the formulation of specialized leather dyes requiring excellent light and wash fastness.
• Employed in research and development of novel functional dyes for optical and electronic applications.
• Acts as a chelating agent precursor in certain analytical chemistry and catalytic processes.

Basic Information

Product Name	Cuprate(2-), [3-[[2,4-Dihydroxy-3-[(4-Nitro-2-Sulfophenyl) Azo] Phenyl] Azo]-2-Hydroxy-5-Nitrobenzenesulfonato(4-)]-, Dihydrogen
CAS No.	73507-71-8
Molecular Formula	C18H9CuN6O13S2
Molecular Weight	660.98 g/mol
Synonyms	Copper complex of C.I. Mordant Black 17; Acid Black 172; C.I. 15711:1; [3-[[2,4-Dihydroxy-3-[(4-nitro-2-sulfophenyl)azo]phenyl]azo]-2-hydroxy-5-nitrobenzenesulfonato(4-)]cuprate(2-) dihydrogen; Mordant Black 17, copper complex; Cuprate(2-), [3-[[2,4-dihydroxy-3-[(4-nitro-2-sulfophenyl)azo]phenyl]azo]-2-hydroxy-5-nitrobenzenesulfonato(4-)], dihydrogen
EINECS	Contact for details

Quality Control

Our production of this dye intermediate adheres to strict quality protocols to ensure batch-to-batch consistency and purity for sensitive synthesis processes. Quality is verified through advanced analytical techniques including HPLC and spectrophotometry. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment.

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 strong oxidizing agents. The material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Loss on Drying	≤ 2.0%
Sulfated Ash	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm
Solubility (in water)	Soluble (specified concentration available)

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