Description

Chromate(5-), [6-(acetylamino)-4-hydroxy-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonato(4-)][6-(acetylamino)-4-hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalenesulfonato(4-)]-, pentahydrogen is a complex chromium-based azo dye intermediate with a high degree of structural specificity. This compound is valued for its role in synthesizing specialized, high-performance pigments and dyes, particularly those requiring excellent color fastness and stability. It is primarily sought by manufacturers in the textile, leather finishing, and specialty ink industries for producing vivid, durable colors.

Application

• Manufacturing of Complex Azo Dyes and Pigments: Serves as a critical precursor for producing high-grade, metal-complex dyes used in demanding applications.
• Textile Dyeing and Printing: Used in the synthesis of dyes for coloring natural and synthetic fibers, offering enhanced wash and light fastness.
• Leather Finishing: Employed in the production of dyes for high-quality leather goods, providing deep, uniform coloration.
• Specialty Inks: A key intermediate for pigments used in security inks, automotive coatings, and other high-performance printing applications.
• Research and Development: Utilized in chemical R&D for developing new chromogenic materials and studying metal-organic complexes.

Basic Information

Product Name	Chromate(5-), [6-(acetylamino)-4-hydroxy-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonato(4-)][6-(acetylamino)-4-hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalenesulfonato(4-)]-, pentahydrogen
CAS No.	68922-28-1
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	Chromium complex of a disazo dye; C.I. Mordant Black 17 (related complex); Acid Chrome Dye Intermediate; 1:2 Chromium complex dye precursor; [6-(Acetylamino)-4-hydroxy-3-[(2-hydroxy-3-nitro-5-sulfophenyl)azo]-2-naphthalenesulfonic acid] Chromium(III) complex; [6-(Acetylamino)-4-hydroxy-3-[(2-hydroxy-5-nitro-3-sulfophenyl)azo]-2-naphthalenesulfonic acid] Chromium(III) complex; Pentahydrogen Chromate Azo Dye; Metal-complex dye intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced dye intermediate adheres to strict quality control protocols to ensure batch-to-batch consistency and performance. Quality is verified through analytical methods including HPLC, spectrophotometry, and metal content analysis. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Chromium Content	To be specified on COA
Sulfated Ash	Max. 1.0%
Heavy Metals (as Pb)	Max. 20 ppm

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