Description

Chromium, 3-[(8-Hydroxy-5-Quinolinyl)Azo]Benzenesulfonic Acid Complex is a metallized azo dye complex, valued for its ability to form stable, intense colorations with various substrates. This compound is engineered for applications requiring high color fastness and chemical stability under demanding conditions. It is primarily sought by manufacturers in the textile, leather, and specialty coatings industries for dyeing and pigmenting processes.

Application

• Textile Dyeing: Used for dyeing protein fibers like wool and silk, as well as synthetic fibers, providing excellent wash and light fastness.
• Leather Finishing: Applied in the dyeing of leather goods to achieve deep, uniform colors with good adhesion and durability.
• Specialty Inks and Coatings: Serves as a colorant in formulations for inks, paints, and coatings where metal-complex stability is advantageous.
• Analytical Chemistry: Can function as a metallochromic indicator or a complexing agent in certain spectrophotometric analyses.
• Research and Development: Utilized in chemical synthesis and material science research for developing new colored materials or studying metal-ligand interactions.

Basic Information

Product Name	Chromium, 3-[(8-Hydroxy-5-Quinolinyl)Azo]Benzenesulfonic Acid Complex
CAS No.	6408-33-9
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Mordant Black 17; Chromium Complex of 8-Hydroxy-5-[(4-sulfophenyl)azo]quinoline; Acid Chrome Dark Blue; Chromium(3+) 5-[(4-sulfophenyl)azo]-8-quinolinolate; 8-Hydroxy-5-[(4-sulfophenyl)azo]quinoline Chromium Complex; Neolan Blue 2G (associated trade name); C.I. 15705; Mordant Black 17
EINECS	Contact for details

Quality Control

Our Chromium, 3-[(8-Hydroxy-5-Quinolinyl)Azo]Benzenesulfonic Acid Complex is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent composition, color strength, and purity suitable for industrial applications. Certificates of Analysis (COA) documenting 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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Dark blue to black powder or solid
Identification (IR)	Conforms to structure
Assay (Chromium Content)	Contact for details
Moisture Content	≤ 5.0%
Solubility	Soluble in water
pH (1% Solution)	Contact for details
Heavy Metals (as Pb)	≤ 20 ppm

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