Description

Chromium, 4-Hydroxy-3-[(2-Hydroxy-1- Naphthalenyl)Azo]Benzenesulfonamide n-[7-Hydroxy-8-[(2-Hydroxy- 5-Nitrophenyl)Azo]-1-Naphthalenyl]Acetamide Sodium Complexes is a complex, high-purity chromium-based azo dye intermediate. This compound is valued for its precise chemical structure, which is critical for imparting specific color properties and stability in advanced dye formulations. It is primarily required by manufacturers in the specialty dyes and pigments industry, particularly for producing high-performance colorants for inks, coatings, and specialized textiles.

Application

• Specialty Dye Synthesis: A key intermediate for manufacturing complex azo dyes with specific hue and fastness properties.
• Pigment Production: Used in the creation of high-performance organic pigments for industrial coatings and plastics.
• Ink Formulations: Essential for producing specialized printing inks that require color consistency and durability.
• Textile Colorants: Employed in the synthesis of dyes for synthetic fibers requiring high wash and light fastness.
• Research & Development: Serves as a standard or building block in chemical R&D for novel chromogenic materials.
• Analytical Reagents: Potential use as a complexometric agent or indicator in specific analytical chemistry applications.

Basic Information

Item	Details
Product Name	Chromium, 4-Hydroxy-3-[(2-Hydroxy-1- Naphthalenyl)Azo]Benzenesulfonamide n-[7-Hydroxy-8-[(2-Hydroxy- 5-Nitrophenyl)Azo]-1-Naphthalenyl]Acetamide Sodium Complexes
CAS No.	72968-22-0
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Mordant Black 17; Chromium complex of Mordant Black 17; Acid Chrome Dark Blue; Chromium(3+) complex with 4-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonamide and N-[7-hydroxy-8-[(2-hydroxy-5-nitrophenyl)diazenyl]naphthalen-1-yl]acetamide; Sodium 4-hydroxy-3-[(2-hydroxynaphthalen-1-yl)diazenyl]benzenesulfonamide - N-[7-hydroxy-8-[(2-hydroxy-5-nitrophenyl)diazenyl]naphthalen-1-yl]acetamide - chromium complex; Azo Mordant Dye Complex; 1-Naphthalenesulfonamide, 4-hydroxy-3-[(2-hydroxy-1-naphthalenyl)azo]-, chromium complex with N-[7-hydroxy-8-[(2-hydroxy-5-nitrophenyl)azo]-1-naphthalenyl]acetamide, sodium salt.
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Every batch is controlled against strict specifications for identity, purity, and composition relevant to its application in dye chemistry. Certificates of Analysis (COA) detailing key parameters are available upon request to support your quality assurance protocols.

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). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to standard
Assay (Chromium Content)	Contact for details
Purity (HPLC)	≥ 95% (or as per grade)
Loss on Drying	≤ 2.0%
Solubility	Soluble in specific alkaline aqueous solutions

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