Description

Chromate(3-), Bis[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxy-5-Nitrobenzenesulfonato(3-)]-, Ethanolamine Sodium Salts is a specialized, high-purity chromium complex dye used as a critical intermediate and colorant. Its value lies in its ability to provide excellent light and wash fastness, making it essential for demanding technical applications. This product is primarily needed by manufacturers in the textile dyeing, leather finishing, and advanced materials sectors seeking durable and consistent coloration.

Application

• Textile Dyeing: As a key intermediate for producing high-quality, metal-complex dyes for wool, silk, and nylon, offering superior color fastness.
• Leather Finishing: Used in the formulation of dyes and pigments for leather goods, providing rich, stable colors that resist fading.
• Specialty Inks: A component in the manufacture of high-performance inks for security printing or industrial marking.
• Pigment Production: Serves as a precursor in the synthesis of organic pigments and lake colors for plastics and coatings.
• Research & Development: Utilized in chemical research for developing new chromogenic materials and studying azo-chromium complex chemistry.
• Analytical Reagents: Potential use as a staining agent or indicator in specific analytical chemistry procedures.

Basic Information

Product Name	Chromate(3-), Bis[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxy-5-Nitrobenzenesulfonato(3-)]-, Ethanolamine Sodium Salts
CAS No.	84777-17-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Mordant Black 17; Chromium complex of 3-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulfonic acid, ethanolamine sodium salt; Ethanolamine, compd. with chromium bis[3-[(4,5-dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-4-hydroxy-5-nitrobenzenesulfonato(3-)]; Azo chromium complex dye; Mordant Black 17; Acid Chrome Dye Intermediate; Sodium ethanolamine chromium azo complex.
EINECS	Contact for details

Quality Control

Our Chromate(3-), Bis[3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-4-Hydroxy-5-Nitrobenzenesulfonato(3-)]-, Ethanolamine Sodium Salts is produced under a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure consistent purity, chromatic strength, and compliance with agreed specifications. Comprehensive Certificates of Analysis (COA) detailing identity, assay, and impurity profiles 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 such as strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to direct light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Loss on Drying	Max. 2.0%
Heavy Metals (as Pb)	Max. 20 ppm
Chromium Content	Contact for details
Solubility	Soluble in water, partially soluble in polar organic solvents

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