Description

2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Potassium Sodium Salt is a complex, high-purity azo dye intermediate and specialty chemical. This compound is valued for its precise molecular structure, which is critical for imparting specific color and performance characteristics in advanced applications. It is primarily required by manufacturers in the dye and pigment, textile, and specialty polymer industries seeking consistent quality for high-value products.

Application

• Primary Intermediate for High-Performance Dyes and Pigments: Serves as a key building block in the synthesis of complex azo dyes, particularly for textiles, inks, and coatings requiring specific shades and fastness properties.
• Textile Dyeing and Printing: Used in the production of dyes for coloring natural and synthetic fibers, offering potential for vibrant colors with good wash and light fastness.
• Specialty Ink Formulation: Employed in manufacturing pigments for high-quality printing inks, including those used in packaging and security printing applications.
• Functional Polymer Additive: Can be utilized as a monomer or additive to introduce chromophoric or sulfonic acid groups into polymers for specialized optical or ionic properties.
• Research & Development: Acts as a valuable reagent in chemical research for developing new chromophores, sensors, or advanced materials.
• Analytical Chemistry: May be used as a standard or reagent in specific analytical methods due to its distinct chemical structure.

Basic Information

Item	Detail
Product Name	2,7-Naphthalenedisulfonic Acid, 4-Amino-6-4-4-(2,4-Diaminophenyl)Azophenylaminosulfonylphenylazo-5-Hydroxy-3-(4-Nitrophenyl)Azo-, Potassium Sodium Salt
CAS No.	112484-44-3
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	C.I. Acid Black 234; Potassium sodium 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-[(4-[(2,4-diaminophenyl)azo]phenyl)sulfamoyl]phenyl]azo]naphthalene-2,7-disulfonate; Acid Black 234; 4-Amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-[[4-[(4-[(2,4-diaminophenyl)azo]phenyl)sulfamoyl]phenyl]azo]naphthalene-2,7-disulfonic acid potassium sodium salt; Black 234 (Acid dye)
EINECS	Contact for details

Quality Control

Our production of this specialty chemical adheres to strict quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analytical testing, including chromatography and spectroscopic methods, to verify identity and composition. Certificates of Analysis (COA) detailing specific test results 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); the container must be kept tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality.

Specification

Item	Specification
Appearance	Dark colored powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	Min. 95%
Moisture Content	Max. 5.0%
Solubility	Soluble in water

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