Description

Benzoic acid, 4,4'-[carbonylbis[imino(1- hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-, compd. with α,α',α''- (nitrilotri-2,1-ethanediyl)tris[ω-hydroxypoly (oxy-1,2-ethanediyl)] (1:4) is a sophisticated, water-soluble azo dye complex designed for high-performance coloration. This compound is engineered to provide excellent stability, solubility, and vibrant color properties in demanding aqueous systems. It is primarily utilized by manufacturers in the textile, ink, and specialty coatings industries seeking reliable and consistent colorants for their formulations.

Application

• Textile Dyeing: For coloring natural and synthetic fibers, particularly where high wash and light fastness are required.
• Inkjet Inks: As a key colorant component in aqueous-based inks for commercial and industrial printing.
• Paper Coloring: Used in the surface coating and tinting of specialty papers and packaging materials.
• Leather Finishing: For dyeing leather goods, providing deep, uniform shades with good adhesion.
• Wood Stains: Incorporated into water-based stains to achieve consistent and durable coloration.
• Liquid Detergent & Soap Coloring: To provide stable and non-fading color in various household and industrial cleaning products.
• Biological Stains (Research Grade): Potential use in histological staining applications in laboratory settings.

Basic Information

Product Name	Benzoic acid, 4,4'-[carbonylbis[imino(1- hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-, compd. with α,α',α''- (nitrilotri-2,1-ethanediyl)tris[ω-hydroxypoly (oxy-1,2-ethanediyl)] (1:4)
CAS No.	73003-36-8
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Acid Black 194; Acid Black 194; Azo Black 194; Polyoxyethyleneated Acid Black 194; Water-soluble Azo Dye Complex; Ethoxylated Acid Dye; 4,4'-[Carbonylbis[imino(1-hydroxy-3-sulfo-6,2-naphthalenediyl)azo]]bis-benzoic acid compound with ethoxylated triamine
EINECS	Contact for details

Quality Control

Our production of this advanced dye complex adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through a series of analytical tests including spectrophotometric analysis, solubility checks, and performance in standard application tests. Certificates of Analysis (COA) detailing purity, strength, and key physical parameters are provided with every shipment to support your quality assurance processes.

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). This product is hygroscopic (moisture-sensitive); ensure the container is kept sealed when not in use to prevent absorption of atmospheric moisture, which may affect performance.

Specification

Item	Specification
Appearance	Dark blue to black powder or granules
Identification (IR)	Conforms to standard
Color Strength	100% ± 3% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content	≤ 1.0%
Water Solubility	Complete, clear solution
pH (1% Solution)	6.0 - 8.0
Heavy Metals (as Pb)	≤ 20 ppm

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