Description

Sodium Bis[n-[7-Hydroxy-8-[[2-Hydroxy-5-[(Methylamino)Sulphonyl]Phenyl]Azo]-1-Naphthyl]Acetamidato(2-)]Chromate(1-) is a high-purity, complex chromium azo dye intermediate essential for producing vibrant and stable colorants. Its precise molecular structure offers superior chelation properties, ensuring excellent lightfastness and thermal stability in demanding applications. This compound is a critical raw material for manufacturers in the pigments, specialty inks, and advanced coatings industries seeking consistent, high-performance results.

Application

• Primary intermediate for the synthesis of high-performance azo pigments and metal complex dyes.
• Key component in manufacturing automotive coatings and industrial paints requiring exceptional durability.
• Used in the production of specialty printing inks, including those for security and packaging applications.
• Employed in the coloration of plastics and synthetic fibers where color stability is paramount.
• Potential use in the development of functional dyes for optical and electronic applications.
• Serves as a research chemical for developing novel chromogenic systems and chelating agents.

Basic Information

Product Name	Sodium Bis[n-[7-Hydroxy-8-[[2-Hydroxy-5-[(Methylamino)Sulphonyl]Phenyl]Azo]-1-Naphthyl]Acetamidato(2-)]Chromate(1-)
CAS No.	68966-87-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Sodium Chromium Azo Complex; C.I. Mordant Black 17 (related complex); Chromium, bis[7-hydroxy-8-[[2-hydroxy-5-[(methylamino)sulfonyl]phenyl]azo]-1-naphthaleneacetamidato(2-)]-, sodium salt; Azo Chromium Complex Dye Intermediate; Sodium 7-hydroxy-8-[(2-hydroxy-5-((methylamino)sulfonyl)phenyl)azo]-1-naphthylacetamidochromate; Metal Complex Dye Precursor; Chromium Azo Lake Intermediate.
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to rigorous quality control protocols to ensure batch-to-batch consistency and purity. Each lot is analyzed against stringent in-house specifications, which typically include parameters for assay (HPLC), metal content, and impurity profile. A comprehensive Certificate of Analysis (COA) is provided with every shipment to guarantee compliance with your technical requirements.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Chromium Content	Contact for details
Loss on Drying	≤ 2.0%
Residue on Ignition	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm
Solubility	Soluble in alkaline aqueous solutions

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